#How to downgrade mac os from mojave to high sierra mac#

Connect the USB stick to your Mac and open Disk Utility by going to Finder > Utilities > Disk Utility.Get yourself a USB stick with at least 12GB to be able to accommodate the installer.It should be available there, if not, a simple search should help you find it. Go to the Mac AppStore and look for High Sierra on your Purchase History.Please follow the instructions below to create a bootable copy of High Sierra. If your Mac wasn’t shipped with High Sierra or you don’t have High Sierra on your Time Machine backup, then you will need to create a bootable copy of High Sierra to downgrade from Mojave. Choose the external Time Machine drive from the list and choose the date you want to go back toĬase 3: If you’re Mac wasn’t shipped with High Sierra and you don’t have High Sierra on your Time Machine.Go to the Utilities window and select Restore from Time Machine Backup.Connect the Time Machine drive to your Mac.If you have created a backup of your Mac with High Sierra on Time Machine before upgrading to Mojave, then you can use that to downgrade.

After the reinstallation process completes, your Mac will restart into High SierraĬase 2: If you have High Sierra on Time Machine.

#How to downgrade mac os from mojave to high sierra install#

Follow the on-screen instructions, choose your startup disk and click Install.Now you will see the recovery options menu from here select Reinstall MacOS.Power OFF your Mac and turn it back ON by clicking Alt + Command + R keys together.Please follow the steps below to downgrade to High Sierra. If your Mac was shipped with High Sierra, then it is fairly simple to downgrade from Mojave, thanks to Apple’s recovery mode feature. Choose a name for the disk, choose Mac OS Extended (Journaled) or APFS as the format and confirm the EraseĪfter you have backed up your Mac and erased your startup disk, follow the steps below (according to your situation) to get back to High Sierra.ģ ways to downgrade from Mojave to High SierraĬase 1: If you’re Mac was shipped with High Sierra.Click Disk Utility and choose the disk with Mojave installed.Turn it back ON by clicking Command + Option + R keys.After you’ve backed up you’re Mac, turn it OFF.You can use either an external hard drive or a cloud-based backup like iCloud or DropBox based on your convenience. Hence, as a first step, it is important that you backup your drive.

All your programs, files, and folders will be erased.

Things to do before downgrading from Mojave to High Sierraĭowngrading your Mac from Mojave to High Sierra will completely erase the hard drive. Steps involved in downgrading to High Sierra in all of these cases are covered in this blog post. If not you will need a bootable version of High Sierra. If your Mac was shipped with High Sierra or you created a backup of your Mac before upgrading to Mojave, then it is simple to downgrade. In that case, if you’re considering going back to High Sierra, it is possible and we’ll teach you how. Or you may find that some of your apps are not working or may find your system sluggish. You may be unhappy with your Mac’s performance after the Mojave upgrade.