1. System Requirements
  2. OS X Mountain Lion requires a Mac with a 64-bit kernel. Mountain Lion supports the following Mac models:
  3. • iMac (mid 2007 or later)
  4. • MacBook (13-inch Aluminum, 2008), (13-inch, Early 2009 or later)
  5. • MacBook Pro (13-inch, Mid-2009 or later), (15-inch, 2.4/2.2 GHz), (17-inch, Late 2007 or later)
  6. • MacBook Air (Late 2008 or later)
  7. • Mac Mini (Early 2009 or later)
  8. • Mac Pro (Early 2008 or later)
  9. • Xserve (Early 2009)