Apple today announced that OS X® Mountain Lion, the ninth major release of the world’s most advanced desktop operating system, is available as a download from the Mac® App Store℠. With more than 200 innovative new features, Mountain Lion includes iCloud® integration, the all new Messages app, Notification Center, system-wide Sharing, Facebook integration*, Dictation, AirPlay® Mirroring and Game Center. Mountain Lion is available as an upgrade from Lion or Snow Leopard for $19.99.