How to revert or rollback to Windows 8.1 or 7 from Windows 10.Congratulations if you’ve successfully upgraded to Windows 10, if you’re not, try to reserve your spot or use the Media Creation Tool. You must know you should not delete previous and temporary installation files that left in Windows.old folder soon after the upgrade, they’ll be automatically removed after a month.
Keeping these files important because if you don’t like Windows 10 (reasons could be some hardware or programs might not work in it), you can able to get back to previous Windows installation i.e. Windows 8.1 or Windows 7 easily, here is how.
Downgrade to Windows 7 or 8.1 from Windows 10, how?
1. Open Settings app > Update & Security > Recovery
2. Under ‘Go back to Windows 8.1’ or ‘Go back to Windows 7’, click on ‘Get Started’ and the follow on-screen instructions.
Since I’ve upgraded from Windows 8.1, you can notice the first one in the below screenshot.
Sit back and relax, you’ll be downgraded to a previous Windows installation (possibly) without any issues.
What to do after a month or if you’ve deleted Windows.old folder by using Disk Cleanup after the upgrade?
Do note once you’ve upgraded to Windows 10, you can reinstall or clean install any number of times during and after the free upgrade offer, so at any time after reverting back, you can install Windows 10 again using a USB drive or ISO created.