If you have installed macOS 10.13 on your Mac, it doesn’t stand on your wishes and supplying hitches. Don’t worry! You still have a chance to downgrade macOS High Sierra to macOS Sierra. While the macOS is still in beta form, bugs and issues are quite normal. If you have done enough with the macOS 10.13 beta and you have decided to go back to the macOS Sierra, then you can downgrade macOS High Sierra 10.13 to macOS Sierra 10.12 easily with this procedure.
Well, it is the bit of confusing process to go back to the stable version of macOS Sierra. You will need to wipe the whole drive to reinstall macOS Sierra, so make sure to back up your Mac by Time machine. While it is a simple process to backup your Mac by Time machine, you just need to go to Apple Menu → System Preferences → Time Machine and make your data. Let’s gets started through the step-by-step guide to downgrade from macOS High Sierra to macOS Sierra.
How to Downgrade macOS High Sierra to macOS Sierra
- How to Erase macOS High Sierra on Mac
- How to Reinstall macOS Sierra on Mac
- How to Restore data from previous macOS Sierra Time Machine backup
How to Erase macOS High Sierra on Mac
Step #1. Connect your Mac to the internet via Wi-Fi or Ethernet.
Step #2. Click Apple icon at the upper right corner of the screen on your Mac.
Step #3. Choose Restart from the drop down. While your machine is restarting, hold on Command+R.
Step #4. Click on the Disk Utility from the OS X Utilities.
Step #5. Click Continue.
Step #6. Click Startup Disk.
Step #7. Next, click on the Erase tab at the top of the window and enter the name of the file that you want to erase (in this case, enter macOS High Sierra)
Step #8. Select Mac OS Extended (Journal) from the format list.
Step #9. Click on Erase.
Once you Mac erased macOS High Sierra and then quit Disk Utility from the drop down menu on the top left corner to go back to the OS X Utilities.
How to Reinstall macOS Sierra on Mac
Step #1. After going back to the OS X Utilities, click on Reinstall OS X.
Step #2. Select Continue on the macOS Sierra installation window.
Step #3. Agree on Terms & Conditions and reinstall stable update and then your Mac will reboot.
How to Restore data from previous macOS Sierra Time Machine backup
Step #1. Restart your Mac again and hold down Command+R to get OS X Utilities.
Step #2. Click on Restore from Time Machine Backup from OS X Utilities.
Step #3. Click Continue.
Step #4. Next, click Continue again after reading information about the “restore your system” page.
Step #5. Click on Time Machine Backup and select Continue.
Step #6. Select the most recent macOS Sierra backup on the drive.
Step #7. Click Continue.
Take a little break; your Mac will start to restore from the Time Machine backup and then restart.