How to Uninstall Mac High Sierra?

Posted in  mac | 2022-03-23

How to Downgrade from MacOS High Sierra to Sierra

Connect to Time Machine .
Restart your Mac in Recovery Mode: press Command + R while you reboot.
At the macOS Utiities screen press Disk Utility.
Click Continue and then select Startup Disk where OS is located
Hit Erase. Choose a new disk name and select Mac OS Extended Journaled format.

Can I Delete Install MacOS High Sierra from Applications?

The system does not require it. You can delete it, just keep in mind that if you ever want to install Sierra again, you will need to download it again. Thanks for your reply.

How do I Downgrade my Mac from High Sierra?

Restart your Mac, while holding down the Shift+Option+Command+R keys.
Once you see the macOS Utilities screen, select Reinstall macOS and then click Continue.
Choose your startup disk , and then select Install.

How to Downgrade to MacOS Sierra from High Sierra