OS X Mountain Lion: Software Update


Update Your Mac Mountain Lion OS

Important Note: You must be connected to the Internet in order to update your computer.  It is also recommended to connect to a power supply for all update.

1. Click on the Apple button on at the top left of the screen.

Mac Apple Logo


2. Select Software Update.

Software Update command at the top of the screen
 

Referenced from: Apple.com

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1/16/2019 1:24:33 PM