Mac OS 10.8 'Mountain Lion'

  • This download is the Mountian Lion installer for an educational volume license. There is no need to download Mountain Lion from the Mac App Store, as is necessary for the consumer license.
  • As with any upgrade, it is advisable to make a backup of important files before upgrading.
To Install:
  1. Copy the Mac_OS_X_10.8.dmg file to the hard drive of a Mac running OS X 10.6.8 or newer.
  2. Double click to open the .dmg file.
  3. Run the installer.

Useful references from Apple:

Technical Specifications
Apple - Support - Lion - Installation and Recovery
Boot Camp 4.0, OS X Lion: Frequently asked questions
OS X Lion: How to install Lion on multiple computers
Lion Recovery Disk Assistant