Once the installer finishes downloading, be sure to quit the installer, which may start automatically.
#How to downgrade mac os 2017 download
If you wish to go back to an even earlier version of the OS, you’ll need to have downloaded the installer before you upgraded to Mojave, or be able to access a Mac running an earlier version of the operating system, and then log in to the Mac App Store and download the needed installer using the store’s Purchased tab. It’s also available using the direct link: /us/app/macos-high-sierra/id1246284741?mt=12 The method you choose is up to you, based on your needs and the availability of an installer for the operating system you wish to return to.ĭowngrading to macOS High Sierra is one of the easier choices since the installer app is still available in Mojave’s Mac App Store. Use Apple’s recovery service to reinstall the original version of the Mac OS that shipped with your Mac.Use Time Machine to revert to an older version of the OS.Use a downloaded Mac OS installer for the Mac version you wish to revert to.If you decide that downgrading is what you need to do, we’re going to show you three basic ways to accomplish the task: Once again, this will let you run earlier apps that you may need without having to go through the downgrade process. Another alternative is to use a virtualization app, such as Parallels, to run an earlier version of the macOS in.This will allow you to keep Mojave and switch between the OS versions as needed.
#How to downgrade mac os 2017 install
If you’re downgrading because you need a specific app that doesn’t run well under Mojave, you may be able to install an older version of the macOS on a separate drive or partition.It’s also possible to use Time Machine, but no matter which method you use, be sure you have a backup before proceeding.īefore we start the downgrade process, consider these alternatives: To make accessing those backup files as easy as possible, I recommend creating a clone of your startup drive. If you need to restore some of your documents and files to your Mac after you downgrade, the backup may be your only place to find them. You’ll also need the backup because the downgrade process includes erasing your Mac’s startup drive. This is to ensure that, should something go wrong during the downgrade process, you can recover your data and be back where you started.
The downgrade process begins with backing up your current system. No matter the reason, you can downgrade from macOS 10.14 and revert to an earlier version by following the steps below. Or maybe a favorite or mission-critical app hasn’t been updated yet for Mojave, and you need to downgrade the OS to be able to keep running an older app. Perhaps Mojave is performing poorly on your system, even after trying some of the tips in: Is Mojave Slowing Your Mac Down? This is How You Can Speed It Up. Even with all the new capabilities, some of you may find yourselves wishing for one of the previous versions of the Mac operating system. MacOS Mojave has a lot going for it: plenty of new features, new security and privacy safeguards, even new apps, such as News and Home.
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