How to Install OS X Mountain Lion From the Mac App Store [Video]

Posted July 25, 2012 at 10:45pm by iClarified | Please help us and submit a translation by clicking here | 20821 views

These are instructions on how to install OS X Mountain Lion 10.8 from the Mac App Store.

Step One
Launch the Mac App Store from your dock.

Step Two
Click to select OS X Mountain Lion from the list of applications on the right.

Step Three
Click the $19.99 button under the Mountain Lion icon then click the green Buy App button that appears.

Step Four
You will be asked to log into your iTunes account. Enter your login information and click the Sign In button.

Step Five
Launchpad will open and your OS X Mountain Lion download will begin. Press Escape to close Launchpad.

Step Six
You can view the progress of your download by switching to the Purchases tab.

Step Seven
Once the download has completed the OS X Mountain Lion install wizard will open. Click the Continue button to begin.

Step Eight
Click Agree to accept the software license agreement.

Step Nine
Make sure the correct hard drive is selected for installation and click the Install button.

Step Ten
You will be asked to enter your administrative name and password. Enter these and click the OK button.

Step Eleven
OS X Mountain Lion will prepare the installation. Your computer will restart automatically.

Step Twelve
Once your computer restarts the installation will begin. This process can take from 15 minutes to an hour.

Step Thirteen
When the installation has completed successfully your computer will again reboot.

Step Fourteen
Once the system has finished restarting you are ready to begin using OS X Mountain Lion.

Add Comment
Steve - July 26, 2012 at 6:35am
I am with Mountain Lion Developer Preview 4 (12A256), can I update the OS with the Final release from AppStore or I need to make clean install? Thanks!
Samsung=Shiite - July 27, 2012 at 4:49pm
Always make clean install. So much better
Idiot - July 25, 2012 at 11:03pm
Really? People need instructions for this?
Tom - July 26, 2012 at 3:27am
Agreed. How could someone possibly need instructions for this process..... you click install. Wow that is hard.
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