Os x 10.8 download for mac

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Get your Mac ready for Mountain Lion (OS X 10.8)

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Download request for older version mac osx Recommended Posts. Posted December 11, Share this post Link to post Share on other sites. The requirement that your Mac be running OS X In addition, Apple recommends that you install the very latest updates to Snow Leopard or Lion before upgrading to Mountain Lion, so be sure to check Software Update for any available updates. Also, wow.


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MacBook users, of course, all have a trackpad already. I call it my Magic Gesturepad. Disk Utility can verify that your Mac's drive is healthy. Back up your Mac, and test that backup: Let me say that again: Back up your Mac, and test that backup— before installing Mountain Lion. See our article on Mac backup plans for more info on backing up your Mac.

OS X Mountain Lion for Mac - Download

I personally recommend creating a bootable-clone backup using SuperDuper or Carbon Copy Cloner for the task, although a Time Machine backup will do, as well. To test a clone or other bootable backup, use the Startup Disk pane of System Preferences to boot from the backup drive. To test a Time Machine or other non-bootable backup, try restoring several files—both older ones and newer ones—to make sure you can recover your data should disaster strike.

Snow Leopard users should disable FileVault: Mountain Lion, like Lion before it, uses a different and much-improved approach to encryption, called FileVault 2.

Reinstalling Mountain Lion

Apple says you can keep using the Snow Leopard implementation for previously-encrypted user accounts, but FileVault 2 is the better way to go, and what better time to make the switch than now? Disable third-party disk encryption: Most of these products interact with your drive and the OS at a low level, and an incompatibility with Mountain Lion could leave you unable to boot your Mac or, worse, unable to access your data at all.

However, given that FileVault 2 also encrypts your entire drive, you might consider this an opportunity to migrate to FileVault 2. Run Software Update: You should also check for updated firmware for your particular Mac model.

Download and install older versions of OS X on a Mac

Check for Mountain Lion-compatible updates to third-party software: If you take some time to check compatibility before installing OS X The list shows both Lion and Mountain Lion compatibility—be sure to look at the Mountain Lion column. The biggest offenders here—in terms of being incompatible with Mountain Lion—will be programs and system add-ons that integrate with or hack OS X at a low level.

This will be a bigger issue for people upgrading from Snow Leopard. So be sure to check vendor websites for OS X Snow Leopard users only: However, Apple killed Rosetta completely when Lion was released, and it remains unavailable in Mountain Lion.

Alternatively, you could keep an old Mac on hand to run those apps when needed. How can you tell which of your applications are PowerPC programs?


  • Download Mountain Lion for Mac;
  • A list of all Mac OS X versions.
  • ARCHIVED: How do I install OS X 10.8 (Mountain Lion)?.
  • Upgrading from Mac OS X 10.7 (Lion).