To download Mountain Lion 10.8 for a Macintosh computer, confirm that the requirements are met, go to the Apple Store, purchase Mountain Lion 10.8 and use the redemption code to download the operating system. Customers must have an Apple ID set up to download and install Mountain Lion 10.8 to a computer.
As of 2015, the following steps should be used to download Mountain Lion 10.8 to a Mac.
- Visit the Apple Store website
- Review the requirements
- Purchase the item
- Use the redemption code
Go to the Apple website and enter "Mountain Lion 10.8" in the search box. Submit the search to display the product.
Click on "Mac OS X 10.8 Mountain Lion" to view the product information. Computers must have OS X v10.6.8 or OS X Lion, at least 2 GB of memory and at least 8 GB of free space available to install Mountain Lion 10.8. The operating system can only be installed on certain computers, such as MacBook Pros mid/late 2007 or newer and MacBook Air late 2008 or newer.
Click on "Add to bag" then "checkout" to purchase Mountain Lion 10.8. Returning customers will need to sign in using their Apple ID to complete the purchase. New customers will need to create an Apple ID.
Enter the redemption code online to download the software to a computer. Redemption codes are typically sent by email within one business day of purchase.