Before version 10, Apple used to call its Mac operating system Mac OS, with the last version being Mac OS 9. Apple change the name to OS X when version 10 was released in 2001.

• • • macOS Sierra (version 10.12) is the thirteenth of (previously OS X), 's desktop and operating system for computers. The successor to, it was the first version of the operating system issued under the June 2016 rebranding as macOS. Sierra is named after California's mountain range. Its major new features concern,, and windowing, as well as support for. The first beta of macOS Sierra was released to developers shortly following the 2016 keynote on June 13, 2016. The first public-beta release followed on July 7, 2016.

It was released to on September 20, 2016, as a free upgrade through the. Contents • • • • • • • • • • • • • • • • • • • • • • • • • System requirements [ ] macOS Sierra requires at least 2 GB of and 8 GB of storage space and will run on: •: Late 2009 or newer • and: Late 2009 or newer •: Mid 2010 or newer •: Late 2010 or newer •: Mid 2010 or newer •: Mid 2010 or newer • is no longer compatible. Sierra is the first version of macOS since, released in 2012, that does not run on all computers that the previous version supported. Eclipse mac install.

Developers have created workarounds to install macOS Sierra on some Mac computers that are no longer officially supported as long as they are packed with a CPU that supports SSE4.1. Changes [ ] The default desktop picture is an image of. System features [ ] Siri [ ].

This image shows what the Optimized Storage suggestions are. Can upload the user's documents and desktop directories and sync them to other devices. The application has a new section that gives the user detailed information about space usage per application or file and provides tools and suggestions for freeing up space. Apple vpn server. For instance, the user can let the system upload old files to iCloud Drive and remove their local copies, keeping them available on-demand in. It can also remove old files from automatically. ITunes can delete watched, purchased films and from its library. Auto Unlock and Universal Clipboard [ ] Building upon Continuity, an 'umbrella term [for] features that facilitate the communication between [Apple devices]' using and, Sierra adds two features.

With Auto Unlock, the user can unlock their user account by holding a paired close to the device. Is used to prevent. Auto Unlock requires a Mac that was introduced in 2013 or later. With Universal Clipboard, the user can share the for between macOS Sierra and devices, including text and rich content, such as pictures or videos. Tabs and Picture-in-Picture [ ] Applications that support multiple windows can support, allowing the user to keep windows organized similarly to.

With, videos can be played in a window that follows the user across the system. Apple File System [ ] Apple released a preview of a new in Sierra, called (APFS), to overcome the. It is intended for and and will adopt several features found in modern file systems, such as and cloning, as well as native support for features that Apple already provides in through supplementary software, such as file-system encryption and support.

The file system was released in macOS High Sierra. Night Shift [ ]. See also: Night Shift is new in macOS 10.12.4, with the same functionality as its iOS counterpart.

Night Shift reduces blue light at night. This can be scheduled in the app (in the Displays menu) and can be toggled on or off in the Notification Center or using Siri.

Since this feature relies on the Metal framework, [ ] Night Shift is not available on all systems that support macOS Sierra. Application features [ ] Photos [ ] Apple says it has improved the face recognition of the application, adding object and scene recognition. It groups similar pictures together using faces, locations and object recognition to create 'memories'. Memories contain picture slideshows with transitions and music selected by the algorithm, which can be modified to the user's liking. The 'People' album organizes photos by the people in them, and Places shows all photos on a world map. Safari and Apple Pay [ ] Safari provides an 'extension point' which enables developers to bundle Safari extensions within their applications and communicate with them directly from the applications.

Safari conceals the presence of installed 'legacy', such as,,, and – from websites and requires the user to enable a specific plug-in on a per-use or per-website basis. Allows vendors to embed an Apple Pay button on their. In Safari, users can click the Apple Pay button to check out, then complete a purchase using an iPhone or Apple Watch. Apple Pay requires a Mac that supports Continuity (2012 or later models) and either an iPhone 6 or later with iOS 10, or an Apple Watch with watchOS 3. Messages [ ] The Messages app adds aesthetic effects to messages, such as three times bigger and click back with hearts or thumbs-up on a message bubble.