OS X Mountain Lion is Apple's 2012 operating system for Mac desktops and laptops. Learn about the new features in Mountain Lion, including the Notification Center, iCloud integration, and the Share button, as well as older features like Finder.
Explore Apple's 2012 OS X operating system.
Getting Started with OS X Mountain Lion
Working with Finder
The Dock, Launchpad, and Mission Control
Changing Your Computer's Settings
Syncing with iCloud