macOS 10.12 Sierra is Apple's thirteenth major release of the macOS/OS X operating system, announced on June 13, 2016.
macos 10.12, Apple's thirteenth major release of the macOS operating system. It was released to end users on September 20, 2016, as a free upgrade through the Mac app-store and it was succeeded by macOS high-sierra on September 25, 2017.
Main changes from macOs Sierra:
- siri and apple-pay is now on the Mac.
- two new continuity features: copy-paste between your Mac and your iPhone, and the ability to unlock your Mac with your Apple Watch.
- icloud-drive expands to include your desktop and documents
- photos.app on Mac gets all the new features of Photos on iOS
- Optimized Storage is a new automated system for dealing with storage space on your Mac.
System Requirements for macOS Sierra:
- 2 GB RAM
- OS X 10.7.5 or later
- 8.8 GB of free hard drive space
Devices supporting macOS Sierra:
- MacBook: late 2009 and later
- MacBook Pro: mid 2010 and later
- MacBook Air: late 2010 and later
- Mac Mini: mid 2010 and later
- Mac Pro: mid 2010 and later
- iMac: late 2009 and later