Hear the roar! Apple has released  OS X Mountain Lion into the Mac App Store. The latest version of the OS X operating system is now available for $19.99.

Packed with 200 new features, Mountain Lion aims to push iOS further toward the desktop. It includes OS X versions of Messages, Notes, Reminders, Notification Center, and more.

For a full list of features, please click here.

OS X Mountain Lion

OS X Mountain Lion

To upgrade, click on this link.