HT1444: Software update, upgrade--what's the difference?Learn about Software update, upgrade--what's the difference?
Currently Being ModeratedJan 5, 2013 4:24 PM (in response to miwi3)
You can get the newer operating system (10.8 is the latest) from the App Store, from Apple. It will cost about $20.
Currently Being ModeratedJan 5, 2013 4:26 PM (in response to miwi3)
Check to ensure that your computer is compatible for the upgrade first -
Mountain Lion System Requirements - http://support.apple.com/kb/HT5444.
Go to your applications folder, and open up "Apps Store". Once open, in the top right, type in Mountain Lion. You can download it here.