6.8, Step 1 : Download OS X Yosemite in the Apple App Store. Welcome to Reddit' s community for users, developers, and hackers of Mac OS X – the computer operating system from Apple ! Make sure your Mac also has : OS X Mavericks, Mountain Lion, Lion, or Snow Leopard v10. Get new version of Apple Mac OS X Mavericks. 's desktop and server operating system for Macintosh computers.
While you wait for the download to complete, please consider contributing to support the development of Oct 22, 2015 OS X Mavericks ( version 10.9 ) is the tenth major release of OS X, Apple Inc.
