How to Downgrade MacOS Mojave 10.14.4 to MacOS High Sierra: Step by Step

Apple Allows installing New MacOS Mojave Developer Beta without Developer account to Any Compatible Mac Computer. Is your Mac running Latest version of MacOS Mojave or MacOS Developer, or MacOS Mojave public Final version? Follow the steps for Downgrade From MacOS Mojave to MacOS High Sierra or Earlier.
The official MacOS Mojave is not released, so it is obvious you have to overcome the stack of bugs, it depends on your tolerance limit. However, we always give one chance to every update and try to get the most out of it. However, if you are not happy with macOS Mojave and its silly bugs, then there’s a way through which you can downgrade macOS Mojave beta 6 to macOS High Sierra, the stable version.
Eventually, you have to wait for a few more days to enjoy a correct version of macOS Mojave. For now, downgrade to macOS High Sierra and get rid of unexpected errors.

NOTE: Backup Mac because everything will be erased soon if you are ready to downgrade macOS Mojave to macOS High Sierra.

1 Downgrade From MacOS Mojave Beta to MacOS High Sierra

-: Jump to content:-

  1. Backup Data In Time Machine
  2. Create Bootable pen drive of MacOS Mojave
  3. Erase & Clean install MacOS Mojave
  4. Re-Install MacOS Mojave
  5. Restore data from old Time Machine Backup

Note: Keep Connect Your Mac to Internet Connection During Whole Setup.

How to Downgrade MacOS Mojave to macOS High Sierra

1: Take Backup in Time Machine

Before to remove data from your Mac running on MacOS Mojave, You have to prepare to keep a backup in Time Machine.

Read my previous tutorial for Taking a full backup in External Hard Drive on Mac. or Other Online Cloud Storage, Check What are the Best Cloud Storages for your Mac [Take Backup Mac to Online Cloud Storage]

Otherwise, You lost all data, if you skip this step.

2. Create Bootable Pen drive for MacOS Mojave

Be Ready with New and latest Version of MacOS installation Drive. Yes, we can set up on our existing Pen drive that works as a Bootable Pen Drive for MacOS.

Read and Follow: Create Bootable Pen drive for MacOS Mojave.

3. Erase All Data to Clean install MacOS Mojave

Step 1: Restart the Mac from the “Apple” menu located on the top of the bar.

Step 2: Also, Hold down the “Command + R” until your Mac restarts.
Step 3: Now, your Mac is in recovery mode.
Step 4: Click “Disk Utility” followed by “OS X Utilities” and tap “Continue.”
Step 5: Select “Startup Disk” and click on “Erase” tab which you will find on the top of the screen.
Step 6: Now enter the name of the file which you want to remove. Probably it could be “MacOS High Sierra” or “macOS.”
Step 7: Next, select “MacOS Extended (Journaled)” format if your Mac is operating on HFS+ and another option is select APFS if Mac is on APFS.
Step 8: If you find Scheme then select “GUID Partition Map.”
Step 9: Click “Erase.”
Step 10: Finally your Mac is erased, and now it’s time to get back to the “OS X Utilities” window.

So macOS Mojave is successfully uninstalled from Mac and here the time comes to reinstall the macOS High Sierra.

4. Reinstalling the macOS High Sierra

If your Mac was shipped with macOS High Sierra or you are running it from the beginning, then it is straightforward to install MacOS Mojave on Mac.

All you have to press a few keys, use these keys to reboot Mac “Shift+Option+Command+R.”

Alternatively, you can follow further tutorial.

Step 1: From the “Apple” icon “restart” the Mac.
Step 2: Next, hold down the “Option” button and “select the startup disk.” That means your bootable drive with High Sierra.
Step 3: Move forward by clicking “Continue,” and “MacOS Mojave installation screen” will appear.
Accept the terms and conditions, and afterward, Mac will reboot.

Useful: MacOS Mojave installation Error

5. Now we will see how to restore the backup

Step 1: Click on the “Apple” menu and Reboot Mac.
Step 2: Hold down the “Command+R” keys until Mac restarts.
Step 3: Select “Restore from Time Machine Backup” from the “OS X Utilities.”
Step 4: Click “Continue.”
Step 5: Select the Backup source and tap “Continue.”
Step 6: Finally choose the latest backup and click “Continue.”

Restoring to MacOS Mojave will take time, take a rest and Come back with Old MacOS Mojave.

Happy visiting and Enjoy, Also Don’t miss to like this and share with your Friends. Put comment us in below for improvements and tips from us.

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Karly Wood

Karly Wood, a Wellington-based journalist, excels in covering Apple and tech trends. With a diverse background in public safety, government, and education reporting, her insights bridge multiple disciplines, offering readers a well-rounded perspective on today's technological advancements. Contact Her Team:- [OR]

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