Check the compatibility list to see if you can install the latest Mac operating system. Which Macs can run macOS Sierra? With macOS Sierra. IMac (Late 2009 and later) Mac mini (2010. MacOS Sierra (version 10.12) is the thirteenth major release of macOS (previously OS X), Apple Inc.' S desktop and server operating system for Macintosh computers. The successor to OS X El Capitan, it was the first version of the operating system issued under the June 2016 rebranding as macOS.
Since Mountain Lion, Apple hasn’t changed the system requirements for its desktop operating system.