Below is the detailed instruction how to do it. Now the OS should start downloading automatically onto the external drive. After the download is complete, your Mac will prompt you to do a restart, but at this point, you should completely shut it down. Locate InstallESD. The same steps are valid for Mountain Lion and Mavericks. If your Mac runs macOS Sierra Instruction to downgrade from macOS Sierra.
Instruction to downgrade from macOS High Sierra. Instruction to downgrade from macOS Mojave. Instruction to downgrade from macOS Catalina. 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. We hope this article has helped you to download an old version of Mac OS X. Below are a few more links you may find interesting.
How To. Hit Return or Enter to search. Download and install older versions of OS X on a Mac. Igor Degtiarenko. Writer and blogger at MacPaw, curious just about everything. Did you enjoy this post? Subscribe Now.
November 29, Updated: September 13, CleanMyMac X. Free Download. These might also interest you:. June 14, July 12, July 11, July 01, July 04, June 20, It even includes a number of apps and games, thanks to an old MacWorld demo CD from The app can be installed on macOS, Windows, and Linux. The macintosh. Enjoy, once again, a trip down memory lane. Subscribe to get the best Verge-approved tech deals of the week. Cookie banner We use cookies and other tracking technologies to improve your browsing experience on our site, show personalized content and targeted ads, analyze site traffic, and understand where our audiences come from.
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