This article explains how to back up the Windows registry before making any changes. The settings in the registry determine much of what happens in Windows, so it is important that it is always working correctly.
How to Create a Registry Backup in Windows 10
You can backup Windows registry this way in any version of Windows, including Windows 11, Windows 10, Windows 8, Windows 7, Windows Vista, and Windows XP.
Run regedit to open the Registry Editor. The quickest way to do this is to launch the command from the Run dialog box, which you can open by pressing the WIN+R keyboard shortcut.
Go to the section of the registry you want to back up.
