OS X Lion

How to upgrade to OS X El Capitan

  1. Get system information about your Mac.
  2. Find out if your Mac can run OS X El Capitan.
  3. Back up your Mac.
  4. Get OS X El Capitan from the Mac App Store.
  5. Double-click Install OS X El Capitan to begin installation.

Download OS X Lion

If you need to purchase OS X Lion, you can order it from the  Apple Online Store.

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