ziosimariho.ml/god-and-inscrutable-evil.php Make sure to check the Mountain Lion column on the far right to see if the program you need is compatible.
For another solution, cloud services like Carbonite will let you wirelessly backup your files and access them online for a small monthly fee. You can also verify disk permissions in Disk Utility and run Software Update again to make sure everything is healthy and up to date.
Mountain Lion is a 4. Just open the installer, follow the instructions, and let your Mac reboot. Installing could take anywhere from 30 minutes to a couple hours, so be prepared to wait. None of your personal data should be erased, and Mountain Lion should greet you once your Mac is done rebooting.
Got any more tips for installing Mountain Lion? Let us know in our forums or the comments!
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The main challenge is to download the OS installation file itself, because your Mac may already be running a newer version. The purchased section lists only those operating systems that you had downloaded in the past. But here is the path to check it:. This method allows you to download Mavericks and Yosemite by logging with your Apple ID — only if you previously downloaded them from the Mac App Store.
If you are signed with an Apple Developer account, you can get access to products that are no longer listed on the App Store. If you desperately need a lower OS X version build, consider creating a new Developer account among other options. Nevertheless, keep in mind that if you visit developer. Buy a boxed edition of Snow Leopard The email edition comes with a special download code you can use for the Mac App Store.
So, here are main steps you should take:. Update to Download El Capitan here. If you have a newer Mac, there is no physical option to install Mac OS versions older than your current Mac model. But as it often happens, workarounds are possible.
There is still a chance to download the installation file if you have an access to a Mac or virtual machine running that operating system. For example, to get an installer for Lion, you may ask a friend who has Lion-operated Mac or, once again, set up a virtual machine running Lion. Then you will need to prepare an external drive to download the installation file using OS X Utilities. Below is the detailed instruction how to do it.
Now the OS should start downloading automatically onto the external drive. Locate InstallESD.
The same steps are valid for Mountain Lion and Mavericks. If your Mac runs macOS Sierra Before you do it, the best advice is to back your Mac up so your most important files stay intact. In addition to that, it makes sense to clean up your Mac from old system junk files and application leftovers.
The easiest way to do it is to run CleanMyMac X on your machine download it for free here. They should have image installations going back to OS Leopard and earlier. You can also ask their assistance to create a bootable USB drive with the installation file. So here you are.