How to Install OS X Mountain Lion

Posted by Mayank on July 25, 2012 in Mac

Apple has opened the doors and the latest jungle cat named Mountain Lion is out in the open. OS X Mountain Lion is available for purchase for $20 in the Mac App Store.

Irrespective of the claims how clean Apple upgrades work – issues do come up during upgrades. After all, it is next to impossible to cater to all the possible Macs in the world. There are a few steps, if you follow properly, we can bet that your upgrade will be free of issues.

Note: We assume that you’re already running Lion (10.7.x) or Snow Leopard 10.6.8. Open “About This Mac” under the “” menu in Finder for quick access to your Mac’s current specs.

How to Install OS X Mountain Lion

Step 1 : Upgrade Requirements and Compatability Check

Check general requirements to ensure you’re eligible for an upgrade. Details of system specific requirements and Mac models eligible for upgrade can be found here.

For your convenience, here are the specific Mac models that are compatible with Mountain Lion:

  • iMac (Mid 2007 or newer)
  • MacBook (Late 2008 Aluminum, or Early 2009 or newer)
  • MacBook Pro (Mid/Late 2007 or newer)
  • Xserve (Early 2009)
  • MacBook Air (Late 2008 or newer)
  • Mac mini (Early 2009 or newer)
  • Mac Pro (Early 2008 or newer)

If your Mac qualifies for the upgrade, you additionally need to ensure that your Mac has a minimum of 2 GB RAM and 8GB of free space on your Mac’s hard drive. If disk space is a concern, use DaisyDisk and if RAM is a concern, here’s how to upgrade to 8 GB RAM at minimum cost.

For compatability check, head over to RoaringApps for third-party Mac apps and their current Lion/Mountain Lion compatibility status. Ensure that your apps are compatible in order to have least hiccups post upgrade. For instance, it looks like there may be some Mountain Lion compatibility issues with Adobe’s Sound Booth CS5.

Step 2: Backup

Backup using Time Machine to return to normalcy in case disaster strikes. Do not have an external disk? Get Seatage GoFlex Desk 3 TB external storage device for only $140 at Amazon.


Step 3: Download

Download Mountain Lion for $20 from the Mac Store – Click Here.
Mountain Lion costs $19.99, but anyone who bought a new Mac from June 11, 2012 onward is eligible to get a free copy from Apple. Mountain Lion is a 4.05GB installer, so it will take time and plan your work accordingly.


Step 4: Install Mountain Lion

Once download finishes, you can install Mountain Lion using a simple and guided step by step procedure from Apple.


If you happen to face any issue, please let us know in the comments section below and we will be glad to work with you!

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