MAC OSX - APPLE INC.
mac-OS (pronounced /ˌmækoʊɛs/; previously Mac OS X, then OS X) is the current series of Unix-based graphical operating systems developed and marketed by Apple Inc. designed to run on Apple's Macintosh computers ("Macs"), having been preinstalled on all Macs since 2002. Within the market of desktop, laptop and home computers, and by web usage, it is the second most widely used desktop OS after Microsoft Windows.
The consumer version of Mac OS X was launched in 2001 with Mac OS X 10.0. Reviews were variable, with extensive praise for its sophisticated, glossy Aqua interface but criticizing it for sluggish performance. With Apple's popularity at a low, the makers of several classic Mac applications such as FrameMaker and PageMaker declined to develop new versions of their software for Mac OS X. Ars Technica columnist John Siracusa, who reviewed every major OS X release up to 10.10, described the early releases in retrospect as 'dog-slow, feature poor' and Aqua as 'unbearably slow and a huge resource hog'.
Apple rapidly developed several new releases of Mac OS X. Siracusa's review of version 10.3, Panther, noted "It's strange to have gone from years of uncertainty and vaporware to a steady annual supply of major new operating system releases." Version 10.4, Tiger, reportedly shocked executives at Microsoft by offering a number of features, such as fast file searching and improved graphics processing, that Microsoft had spent several years struggling to add to Windows with acceptable performance.
As the operating system evolved, it moved away from the classic Mac OS, with applications being added and removed. Targeting the consumer and media markets, Apple emphasized its new "digital lifestyle" applications such as the iLife suite, integrated home entertainment through the Front Row media center and the Safari web browser. With increasing popularity of the internet, Apple offered additional online services, including the .Mac, MobileMe and most recently iCloud products. It also began selling third-party applications through the Mac App Store.
Newer versions of Mac OS X also included modifications to the general interface, moving away from the striped gloss and transparency of the initial versions. Some applications began to use a brushed metal appearance, or non-pinstriped titlebar appearance in version 10.4. In Leopard, Apple announced a unification of the interface, with a standardized gray-gradient window style.
A key development for the system was the announcement and release of the iPhone from 2007 onwards. While Apple's previous iPod media players used a minimal operating system, the iPhone used an operating system based on Mac OS X, which would later be called "iPhone OS" and then iOS. The simultaneous release of two operating systems based on the same frameworks placed tension on Apple, which cited the iPhone as forcing it to delay Mac OS X 10.5 Leopard. However, after Apple opened the iPhone to third-party developers its commercial success drew attention to Mac OS X, with many iPhone software developers showing interest in Mac development.
In 2012, with the release of OS X 10.8 Mountain Lion, the name of the system was shortened from Mac OS X to OS X. That year, Apple removed the head of OS X development, Scott Forstall, and design was changed towards a more minimal direction. Apple's new user interface design, using deep color saturation, text-only buttons and a minimal, 'flat' interface, was debuted with iOS 7 in 2013. With OS X engineers reportedly working on iOS 7, the version released in 2013, OS X 10.9 Mavericks, was something of a transitional release, with some of the skeumorphic design removed, while most of the general interface of Mavericks remained unchanged. The next version, OS X 10.10 Yosemite, adopted a design similar to iOS 7 but with greater complexity suitable for an interface controlled with a mouse.
From 2012 onwards, the system has shifted to an annual release schedule similar to that of iOS. It also steadily cut the cost of updates from Snow Leopard onwards, before removing upgrade fees altogether from 2013 onwards. Some journalists and third-party software developers have suggested that this decision, while allowing more rapid feature release, meant less opportunity to focus on stability, with no version of OS X recommendable for users requiring stability and performance above new features. Apple's 2015 update, OS X 10.11 El Capitan, was announced to focus specifically on stability and performance improvements.
The Darwin subsystem in macOS is in charge of managing the file system, which includes the Unix permissions layer. In 2003 and 2005, two Macworld editors expressed criticism of the permission scheme; Ted Landau called misconfigured permissions "the most common frustration" in macOS, while Rob Griffiths suggested that some users may even have to reset permissions every day, a process which can take up to 15 minutes. More recently, another Macworld editor, Dan Frakes, called the procedure of repairing permissions vastly overused. He argues that macOS typically handles permissions properly without user interference, and resetting permissions should just be tried when problems emerge.
The architecture of macOS incorporates a layered design: the layered frameworks aid rapid development of applications by providing existing code for common tasks. Apple provides its own software development tools, most prominently an integrated development environment called Xcode. Xcode provides interfaces to compilers that support several programming languages including C, C++, Objective-C, and Swift. For the Apple–Intel transition, it was modified so that developers could build their applications as a universal binary, which provides compatibility with both the Intel-based and PowerPC-based Macintosh lines. First and third-party applications can be controlled programatically using the AppleScript framework, retained from the classic Mac OS, or using the newer Automator application that offers pre-written tasks that do not require programming knowledge.
Because macOS is POSIX compliant, many software packages written for the other Unix-like systems such as Linux can be recompiled to run on it, including much scientific and technical software. Third-party projects such as Homebrew, Fink, MacPorts and pkgsrc provide pre-compiled or pre-formatted packages. Apple and others have provided versions of the X Window System graphical interface which can allow these applications to run with an approximation of the macOS look-and-feel. The current Apple-endorsed method is the open-source XQuartz project; earlier versions could use the X11 application provided by Apple, or before that the XDarwin project.
Tools such as XPostFacto and patches applied to the installation media have been developed by third parties to enable installation of newer versions of macOS on systems not officially supported by Apple. This includes a number of pre-G3 Power Macintosh systems that can be made to run up to and including Mac OS X 10.2 Jaguar, all G3-based Macs which can run up to and including Tiger, and sub-867 MHz G4 Macs can run Leopard by removing the restriction from the installation DVD or entering a command in the Mac's Open Firmware interface to tell the Leopard Installer that it has a clock rate of 867 MHz or greater. Except for features requiring specific hardware (e.g. graphics acceleration or DVD writing), the operating system offers the same functionality on all supported hardware.
As most Mac hardware components, or components similar to those, since the Intel transition are available for purchase, some technology-capable groups have developed software to install macOS on non-Apple computers. These are referred to as Hackintoshes, a portmanteau of the words "hack" and "Macintosh". This violates Apple's EULA (and is therefore unsupported by Apple technical support, warranties etc.), but communities that cater to personal users, who do not install for resale and profit, have generally been ignored by Apple. These self-made computers allow more flexibility and customization of hardware, but at a cost of leaving the user more responsible for their own machine, such as on matter of data integrity or security. Psystar, a business that attempted to profit from selling macOS on non-Apple certified hardware, was sued by Apple in 2008.
One of the major differences between the classic Mac OS and the current macOS was the addition of Aqua, a graphical user interface with water-like elements, in the first major release of Mac OS X. Every window element, text, graphic, or widget is drawn on-screen using spatial anti-aliasing technology. ColorSync, a technology introduced many years before, was improved and built into the core drawing engine, to provide color matching for printing and multimedia professionals. Also, drop shadows were added around windows and isolated text elements to provide a sense of depth. New interface elements were integrated, including sheets (dialog boxes attached to specific windows) and drawers, which would slide out and provide options.
The use of soft edges, translucent colors, and pinstripes, similar to the hardware design of the first iMacs, brought more texture and color to the user interface when compared to what Mac OS 9 and Mac OS X Server 1.0's "Platinum" appearance had offered. According to John Siracusa, an editor of Ars Technica, the introduction of Aqua and its departure from the then conventional look "hit like a ton of bricks." Bruce Tognazzini (who founded the original Apple Human Interface Group) said that the Aqua interface in Mac OS X 10.0 represented a step backwards in usability compared with the original Mac OS interface. Third-party developers started producing skins for customizable applications and other operating systems which mimicked the Aqua appearance. To some extent, Apple has used the successful transition to this new design as leverage, at various times threatening legal action against people who make or distribute software with an interface the company says is derived from its copyrighted design.
Apple has continued to change aspects of the macOS appearance and design, particularly with tweaks to the appearance of windows and the menu bar. Since 2012, Apple has sold many of its Mac models with high-resolution Retina displays, and macOS and its APIs have extensive support for resolution-independent development on supporting high-resolution displays. Reviewers have described Apple's support for the technology as superior to that on Windows.
The human interface guidelines published by Apple for macOS are followed by many applications, giving them consistent user interface and keyboard shortcuts. In addition, new services for applications are included, which include spelling and grammar checkers, special characters palette, color picker, font chooser and dictionary; these global features are present in every Cocoa application, adding consistency. The graphics system OpenGL composites windows onto the screen to allow hardware-accelerated drawing. This technology, introduced in version 10.2, is called Quartz Extreme, a component of Quartz. Quartz's internal imaging model correlates well with the Portable Document Format (PDF) imaging model, making it easy to output PDF to multiple devices. As a side result, PDF viewing and creating PDF documents from any application are built-in features. Reflecting its popularity with design users, macOS also has system support for a variety of professional video and image formats and includes an extensive pre-installed font library, featuring many prominent brand-name designs.
The Finder is a file browser allowing quick access to all areas of the computer, which has been modified throughout subsequent releases of macOS. Quick Look is part of the Finder since version 10.5. It allows for dynamic previews of files, including videos and multi-page documents without opening any other applications. Spotlight, a file searching technology which has been integrated into the Finder since version 10.4, allows rapid real-time searches of data files; mail messages; photos; and other information based on item properties (metadata) and/or content. macOS makes use of a Dock, which holds file and folder shortcuts as well as minimized windows.
Apple added "Exposé" in version 10.3 (called Mission Control since version 10.7), a feature which includes three functions to help accessibility between windows and desktop. Its functions are to instantly display all open windows as thumbnails for easy navigation to different tasks, display all open windows as thumbnails from the current application, and hide all windows to access the desktop. Also, FileVault was introduced, which is an optional encryption of the user's files with the 128-bit Advanced Encryption Standard (AES-128).
Features introduced in version 10.4 include Automator, an application designed to create an automatic workflow for different tasks; Dashboard, a full-screen group of small applications called desktop widgets that can be called up and dismissed in one keystroke; and Front Row, a media viewer interface accessed by the Apple Remote. Moreover, the Sync Services were included, which is a system that allows applications to access a centralized extensible database for various elements of user data, including calendar and contact items. The operating system then managed conflicting edits and data consistency.
In more recent releases, Apple has developed support for emoji characters by including the proprietary Apple Color Emoji font. Apple has also connected macOS with social networks such as Twitter and Facebook through the addition of share buttons for content such as pictures and text. Apple has brought several applications and features that originally debuted in iOS, its mobile operating system, to macOS in recent releases, notably the intelligent personal assistant Siri, which was introduced in version 10.12 of macOS.
macOS can be updated using the Mac App Store application or the softwareupdate command line utility. Until OS X 10.8 Mountain Lion, a separate Software Update application performed this functionality. In Mountain Lion and later, this was merged into the Mac App Store application, although the underlying update mechanism remains unchanged and is fundamentally different than the download mechanism used when purchasing an App Store application.
On March 24, 2001, Apple released Mac OS X 10.0 (internally codenamed Cheetah). The initial version was slow, incomplete, and had very few applications available at the time of its launch, mostly from independent developers. While many critics suggested that the operating system was not ready for mainstream adoption, they recognized the importance of its initial launch as a base on which to improve. Simply releasing Mac OS X was received by the Macintosh community as a great accomplishment, for attempts to completely overhaul the Mac OS had been underway since 1996, and delayed by countless setbacks. Following some bug fixes, kernel panics became much less frequent.
Mac OS X 10.6 Snow Leopard was released on August 28, 2009. Rather than delivering big changes to the appearance and end user functionality like the previous releases of Mac OS X, Snow Leopard focused on "under the hood" changes, increasing the performance, efficiency, and stability of the operating system. For most users, the most noticeable changes were: the disk space that the operating system frees up after a clean install compared to Mac OS X 10.5 Leopard, a more responsive Finder rewritten in Cocoa, faster Time Machine backups, more reliable and user friendly disk ejects, a more powerful version of the Preview application, as well as a faster Safari web browser. Snow Leopard only supported machines with Intel CPUs, required at least 1 GB of RAM, and dropped default support for applications built for the PowerPC architecture (Rosetta could be installed as an additional component to retain support for PowerPC-only applications).
Changes made to the GUI include auto-hiding scrollbars that only appear when they are being used, and Mission Control which unifies Exposé, Spaces, Dashboard, and full-screen applications within a single interface. Apple also made changes to applications: they resume in the same state as they were before they were closed, similar to iOS. Documents auto-save by default.
OS X 10.8 Mountain Lion was released on July 25, 2012. It incorporates some features seen in iOS 5, which include Game Center, support for iMessage in the new Messages messaging application, and Reminders as a to-do list app separate from iCal (which is renamed as Calendar, like the iOS app). It also includes support for storing iWork documents in iCloud. Notification Center, which makes its debut in Mountain Lion, is a desktop version similar to the one in iOS 5.0 and higher. Application pop-ups are now concentrated on the corner of the screen, and the Center itself is pulled from the right side of the screen. Mountain Lion also includes more Chinese features including support for Baidu as an option for Safari search engine, QQ, 163.com and 126.com services for Mail, Contacts and Calendar, Youku, Tudou and Sina Weibo are integrated into share sheets.
OS X 10.9 Mavericks was released on October 22, 2013. It was a free upgrade to all users running Snow Leopard or later with a 64-bit Intel processor. Its changes include the addition of the previously iOS-only Maps and iBooks applications, improvements to the Notification Center, enhancements to several applications, and many under-the-hood improvements.
OS X 10.10 Yosemite was released on October 16, 2014. It features a redesigned user interface similar to that of iOS 7, intended to feature a more minimal, text-based 'flat' design, with use of translucency effects and intensely saturated colors. Apple's showcase new feature in Yosemite is Handoff, which enables users with iPhones running iOS 8.1 or later to answer phone calls, receive and send SMS messages, and complete unfinished iPhone emails on their Mac.
As of July 2016, macOS is the second-most-active general-purpose desktop client operating system in use on the World Wide Web following Microsoft Windows, with a 4.90% usage share according to statistics compiled by Wikimedia. It is the most successful Unix-like desktop operating system on the web, estimated at approximately 5 times the usage of Linux (which has 1.01%). Usage share generally continues to shift away from the desktop and toward mobile operating systems such as iOS and Android.
In its earlier years, Mac OS X enjoyed a near-absence of the types of malware and spyware that have affected Microsoft Windows users. macOS has a smaller usage share compared to Windows, but it also has traditionally more secure Unix roots. Worms, as well as potential vulnerabilities, were noted in 2006, which led some industry analysts and anti-virus companies to issue warnings that Apple's Mac OS X is not immune to malware. Increasing market share coincided with additional reports of a variety of attacks. In early 2011, Mac OS X experienced a large increase in malware attacks, and malware such as Mac Defender, MacProtector, and MacGuard were seen as an increasing problem for Mac users. At first, the malware installer required the user to enter the administrative password, but later versions were able to install without user input. Initially, Apple support staff were instructed not to assist in the removal of the malware or admit the existence of the malware issue, but as the malware spread, a support document was issued. Apple announced an OS X update to fix the problem. An estimated 100,000 users were affected. Apple releases security updates for macOS regularly.
Siri makes its debut on Mac, with new capabilities designed just for the desktop. And that’s not the only way your Mac is smarter. macOS Sierra helps you rediscover your best photos, shop faster and more conveniently online, and work more seamlessly between devices. It can also help free up valuable storage space. Now your Mac does even more for you, so you can do more with your Mac.
Talk about big news. No matter what you’re working on, your intelligent personal assistant is always a click away. The handy features of Siri on iOS are now on your Mac, along with brand-new ways to help you with the things you do every day on your desktop.
Siri on Mac is all about multitasking. So you can be working on one thing, like finishing up a document, and ask Siri to send a message to your coworker saying it’s on the way — without stopping what you’re doing.
Pin sports schedules, Twitter results, a list of files related to your big project, and more, right in Notification Center. Everything stays up to date — so you always know where to find game times, trending topics, or important documents.
Copy images, video, and text from an app on your iPhone. Then paste into another app on your nearby Mac — or vice versa. There are no extra steps. Just copy and paste as you normally do. Find a great recipe while browsing on your Mac? Paste the ingredients right to the grocery list on your iPhone.
Your Mac has always been the perfect place to sit down and do some serious online shopping. Now with Apple Pay in Safari, it’s an even faster, easier, and more secure place to pay on the web — because you can check out without having to enter your credit card number. Look for Apple Pay on many of your favorite sites, then complete your purchase with Touch ID on your iPhone or by double-clicking the side button on your Apple Watch. Your credit card details are never shared by Apple when you use Apple Pay, and your transactions are protected with industry-leading security.
When you need more space, Optimized Storage makes room by storing infrequently used files, email attachments, photos, and previously viewed iTunes movies and TV shows in the cloud. You can easily find every file right where you saved it. Just open it up and download the original as if it was always there. Files you’ve used recently remain on your Mac along with optimized versions of your photos, so you can work offline.
macOS Sierra can keep unneeded files from cluttering up your Mac. It prompts you to delete used app installers, and clears out duplicate downloads, caches, logs, and other unnecessary stuff. You can also easily find and delete large apps and files, or ones you simply don’t use. So you can be free of clutter. It can even get rid of it for you, deleting items that have been in the Trash for 30 days.
You’ve spent years capturing moments worth remembering. Now Photos can turn them into unforgettable experiences called Memories. And powerful new technologies deliver improved face recognition, display all your photos on a world map, and even allow you to search your photos by the objects and scenery in them.
Rediscover favorite and forgotten moments from deep in your library. Memories automatically creates stunning slideshows and shareable collections of your best photos — based on people, places, holidays, and more.
Advanced computer vision technology can identify objects and scenes within your images. So you can search your photos by what’s in them. Find all your shots of the beach, every sunset you’ve captured, or every image with a birthday cake.
Finding your favorite songs and discovering new ones is even simpler with the freshly redesigned Apple Music inside iTunes. The revamped For You makes it easier to discover new music and playlists we think you’ll love, thanks to expert curation and advanced machine learning. The new Browse section lets everyone see the best of what’s available on Apple Music, from exclusives and new releases to playlists and top charts. And now you can view lyrics while you listen in the refined MiniPlayer.
When you upgrade to macOS Sierra, you get new features that make using your Mac even more efficient and enjoyable. You get all the latest security and performance updates, too. macOS is available free on the Mac App Store, so it’s simple to upgrade.
macOS Sierra What can your Mac do now? Just ask. Siri makes its debut on Mac, with new capabilities designed just for the desktop. And that’s not the only way your Mac is smarter. macOS Sierra helps you rediscover your best photos, shop faster and more conveniently online, and work more seamlessly between devices. It can also help free up valuable storage space. Now your Mac does even more for you, so you can do more with your Mac.
Siri Just like you, Siri can do great new things on a Mac. Talk about big news. No matter what you’re working on, your intelligent personal assistant is always a click away. The handy features of Siri on iOS are now on your Mac, along with brand-new ways to help you with the things you do every day on your desktop. Ask Siri to do its thing while you do yours. Siri on Mac is all about multitasking. So you can be working on one thing, like finishing up a document, and ask Siri to send a message to your coworker saying it’s on the way — without stopping what you’re doing. Let Siri locate your files for you. Working with files is a big part of using a Mac. And Siri makes it a snap. Can’t remember where you saved that report? Ask Siri to search for the documents you opened this week, then refine your results to just the ones with the word “annual” in the title. Replay Keep Siri results where you can always find them. Pin sports schedules, Twitter results, a list of files related to your big project, and more, right in Notification Center. Everything stays up to date — so you always know where to find game times, trending topics, or important documents. Search for images and information just by asking. Then drag results right to a window on your desktop. Drop an image from the web into a Pages document to make it pop. Or a Maps location into an invitation to get your party started. Replay Could you ask any more of Siri? In a word, yes. “Show the PDFs in my Downloads folder” “How much free space do I have on my Mac?” “Play the top 40 jazz songs” “What’s the weather in Lake Tahoe?” “Show me all of the files I shared with Cecilia last week” “Search the web for images of the Eiffel Tower” “Get information about Mount Whitney” “Find tweets from José Bautista” “FaceTime Victoria” "Add Laura to my 10 AM meeting” “How do you spell broccoli?” “Find photos I took at home” “What time is it in Monterrey, Mexico?”.
Siri Just like you, Siri can do great new things on a Mac. Talk about big news. No matter what you’re working on, your intelligent personal assistant is always a click away. The handy features of Siri on iOS are now on your Mac, along with brand-new ways to help you with the things you do every day on your desktop.
Ask Siri to do its thing while you do yours. Siri on Mac is all about multitasking. So you can be working on one thing, like finishing up a document, and ask Siri to send a message to your coworker saying it’s on the way — without stopping what you’re doing.
Let Siri locate your files for you. Working with files is a big part of using a Mac. And Siri makes it a snap. Can’t remember where you saved that report? Ask Siri to search for the documents you opened this week, then refine your results to just the ones with the word “annual” in the title. Replay Keep Siri results where you can always find them. Pin sports schedules, Twitter results, a list of files related to your big project, and more, right in Notification Center. Everything stays up to date — so you always know where to find game times, trending topics, or important documents. Search for images and information just by asking. Then drag results right to a window on your desktop. Drop an image from the web into a Pages document to make it pop. Or a Maps location into an invitation to get your party started.
Keep Siri results where you can always find them. Pin sports schedules, Twitter results, a list of files related to your big project, and more, right in Notification Center. Everything stays up to date — so you always know where to find game times, trending topics, or important documents.
Universal Clipboard Copy on one device. Copy images, video, and text from an app on your iPhone. Then paste into another app on your nearby Mac — or vice versa. There are no extra steps. Just copy and paste as you normally do. Find a great recipe while browsing on your Mac? Paste the ingredients right to the grocery list on your iPhone. Learn more about devices working together.
Apple Pay The web. Now accepting the easiest and safest way to pay. Your Mac has always been the perfect place to sit down and do some serious online shopping. Now with Apple Pay in Safari, it’s an even faster, easier, and more secure place to pay on the web — because you can check out without having to enter your credit card number. Look for Apple Pay on many of your favorite sites, then complete your purchase with Touch ID on your iPhone or by double-clicking the side button on your Apple Watch. Your credit card details are never shared by Apple when you use Apple Pay, and your transactions are protected with industry-leading security. Learn more about Apple Pay.
Your Mac has always been the perfect place to sit down and do some serious online shopping. Now with Apple Pay in Safari, it’s an even faster, easier, and more secure place to pay on the web — because you can check out without having to enter your credit card number. Look for Apple Pay on many of your favorite sites, then complete your purchase with Touch ID on your iPhone or by double-clicking the side button on your Apple Watch. Your credit card details are never shared by Apple when you use Apple Pay, and your transactions are protected with industry-leading security. Learn more about Apple Pay.
Optimized Storage When you need more space, let your Mac find it for you. Storage space maxed out? No problem. macOS Sierra can help make more room by automatically storing rarely used files in iCloud and keeping them available on demand. It can also help you find and remove old files you no longer use. So the files you’ve used most recently stay on your Mac and there’s always room for new ones. Replay Photos Documents Movies Mail Apps System Audio Backups Used Space Available Space after activating Optimized Storage. Files you rarely need are saved in iCloud. Until you need them. When you need more space, Optimized Storage makes room by storing infrequently used files, email attachments, photos, and previously viewed iTunes movies and TV shows in the cloud. You can easily find every file right where you saved it. Just open it up and download the original as if it was always there. Files you’ve used recently remain on your Mac along with optimized versions of your photos, so you can work offline. Easily get rid of duplicate and obsolete files. macOS Sierra can keep unneeded files from cluttering up your Mac. It prompts you to delete used app installers, and clears out duplicate downloads, caches, logs, and other unnecessary stuff. You can also easily find and delete large apps and files, or ones you simply don’t use. So you can be free of clutter. It can even get rid of it for you, deleting items that have been in the Trash for 30 days.
Files you rarely need are saved in iCloud. Until you need them. When you need more space, Optimized Storage makes room by storing infrequently used files, email attachments, photos, and previously viewed iTunes movies and TV shows in the cloud. You can easily find every file right where you saved it. Just open it up and download the original as if it was always there. Files you’ve used recently remain on your Mac along with optimized versions of your photos, so you can work offline. Easily get rid of duplicate and obsolete files. macOS Sierra can keep unneeded files from cluttering up your Mac. It prompts you to delete used app installers, and clears out duplicate downloads, caches, logs, and other unnecessary stuff. You can also easily find and delete large apps and files, or ones you simply don’t use. So you can be free of clutter. It can even get rid of it for you, deleting items that have been in the Trash for 30 days.
Files you rarely need are saved in iCloud. Until you need them. When you need more space, Optimized Storage makes room by storing infrequently used files, email attachments, photos, and previously viewed iTunes movies and TV shows in the cloud. You can easily find every file right where you saved it. Just open it up and download the original as if it was always there. Files you’ve used recently remain on your Mac along with optimized versions of your photos, so you can work offline.
Easily get rid of duplicate and obsolete files. macOS Sierra can keep unneeded files from cluttering up your Mac. It prompts you to delete used app installers, and clears out duplicate downloads, caches, logs, and other unnecessary stuff. You can also easily find and delete large apps and files, or ones you simply don’t use. So you can be free of clutter. It can even get rid of it for you, deleting items that have been in the Trash for 30 days.
Photos Rediscover memories in beautiful new ways. You’ve spent years capturing moments worth remembering. Now Photos can turn them into unforgettable experiences called Memories. And powerful new technologies deliver improved face recognition, display all your photos on a world map, and even allow you to search your photos by the objects and scenery in them. Learn more about Photos Memories Intelligent Search Places Album People Album Memories Rediscover favorite and forgotten moments from deep in your library. Memories automatically creates stunning slideshows and shareable collections of your best photos — based on people, places, holidays, and more. Intelligent Search Advanced computer vision technology can identify objects and scenes within your images. So you can search your photos by what’s in them. Find all your shots of the beach, every sunset you’ve captured, or every image with a birthday cake. Places Album Track your photo expeditions across an interactive world map. Zoom out to look back on all the places you’ve been, or zoom in to see exactly where you shot that epic landscape. People Album Photos can now sort your images by your favorite subjects — the people in your life. Look back on pictures of your daughter and her colorful fashion style or Dad on your annual fishing trips. Made possible with state-of-the-art face recognition technology.
Photos Rediscover memories in beautiful new ways. You’ve spent years capturing moments worth remembering. Now Photos can turn them into unforgettable experiences called Memories. And powerful new technologies deliver improved face recognition, display all your photos on a world map, and even allow you to search your photos by the objects and scenery in them. Learn more about Photos.
You’ve spent years capturing moments worth remembering. Now Photos can turn them into unforgettable experiences called Memories. And powerful new technologies deliver improved face recognition, display all your photos on a world map, and even allow you to search your photos by the objects and scenery in them. Learn more about Photos.
Memories Intelligent Search Places Album People Album Memories Rediscover favorite and forgotten moments from deep in your library. Memories automatically creates stunning slideshows and shareable collections of your best photos — based on people, places, holidays, and more. Intelligent Search Advanced computer vision technology can identify objects and scenes within your images. So you can search your photos by what’s in them. Find all your shots of the beach, every sunset you’ve captured, or every image with a birthday cake. Places Album Track your photo expeditions across an interactive world map. Zoom out to look back on all the places you’ve been, or zoom in to see exactly where you shot that epic landscape. People Album Photos can now sort your images by your favorite subjects — the people in your life. Look back on pictures of your daughter and her colorful fashion style or Dad on your annual fishing trips. Made possible with state-of-the-art face recognition technology.
Memories Rediscover favorite and forgotten moments from deep in your library. Memories automatically creates stunning slideshows and shareable collections of your best photos — based on people, places, holidays, and more. Intelligent Search Advanced computer vision technology can identify objects and scenes within your images. So you can search your photos by what’s in them. Find all your shots of the beach, every sunset you’ve captured, or every image with a birthday cake. Places Album Track your photo expeditions across an interactive world map. Zoom out to look back on all the places you’ve been, or zoom in to see exactly where you shot that epic landscape. People Album Photos can now sort your images by your favorite subjects — the people in your life. Look back on pictures of your daughter and her colorful fashion style or Dad on your annual fishing trips. Made possible with state-of-the-art face recognition technology.
Memories Rediscover favorite and forgotten moments from deep in your library. Memories automatically creates stunning slideshows and shareable collections of your best photos — based on people, places, holidays, and more.
Intelligent Search Advanced computer vision technology can identify objects and scenes within your images. So you can search your photos by what’s in them. Find all your shots of the beach, every sunset you’ve captured, or every image with a birthday cake.
iTunes Now with an all-new Apple Music experience. Finding your favorite songs and discovering new ones is even simpler with the freshly redesigned Apple Music inside iTunes. The revamped For You makes it easier to discover new music and playlists we think you’ll love, thanks to expert curation and advanced machine learning. The new Browse section lets everyone see the best of what’s available on Apple Music, from exclusives and new releases to playlists and top charts. And now you can view lyrics while you listen in the refined Mini Player. Learn more about Apple Music.
It’s easy to upgrade to mac-OS Sierra. When you upgrade to mac-OS Sierra, you get new features that make using your Mac even more efficient and enjoyable. You get all the latest security and performance updates, too. mac-OS is available free on the Mac App Store, so it’s simple to upgrade. Learn more about upgrading to mac-OS Sierra.


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