This article explains how to restore a registry backup in Windows 11, 10, 8, 7, Vista, and XP.
How to Reset the Registry in Windows to Default Settings
If you have made a backup of the registry in Windows (either a specific key, an entire hive, or the entire registry itself), then you'll be happy to hear that restoring that backup is very easy.
Perhaps you’re seeing problems after a registry value or registry key change you made, or the problem you were trying to fix wasn’t resolved by your recent Windows registry edit. Either way, you were proactive and backed up the registry just in case something happened. Now you’re being rewarded for thinking ahead!
Time Required: Restoring previously backed up registry data in Windows usually takes only a few minutes.
