The thirteenth release of Apple's desktop and server operating system for Macintosh computers. It is the first Mac software branded as "macOS", which was called "OS X", "Mac OS X", and other variants previously.
macOS Sierra (10.12) is the thirteenth major release Apple Inc.'s desktop and server operating system for Macintosh computers. It was announced on June 13, 2016 at WWDC 2016.
This is the first Mac software to be branded as "macOS", a name chosen for consistency with Apple's other operating systems.
- Current macOS Sierra (10.12.3) beta 3, released at 09 Jan, 2017
- Final macOS Sierra (10.12.2), released at 13 Dec, 2016
System requirements:
macOS Sierra requires at least 2GB of RAM and 8GB of storage space and will run on:
- iMac: Late 2009 or newer
- MacBook: Late 2009 or newer
- MacBook Pro: Mid 2010 or newer
- MacBook Air: Late 2010 or newer
- Mac Mini: Mid 2010 or newer
- Mac Pro: Mid 2010 or newer
Sierra is the first version of macOS since OS X Mountain Lion, released in 2012, that does not run on all computers that the previous version supported.