How To Undo Windows 11 Update [updated] Jun 2026

When you run the setup from within Windows (or booting from a USB), choose "Keep personal files and apps." This process reinstalls the entire OS core but leaves your user profile, desktop files, and installed applications exactly where they are. It overwrites the potentially corrupted system files updated by the bad patch with a fresh copy from the ISO. It is the most effective way to fix a system ruined by an update without losing data.

If the "Go back" button is greyed out (or missing), you can use a Restore Point— if you created one before the update. how to undo windows 11 update

This is the fastest way to remove recent monthly patches without affecting your other files. When you run the setup from within Windows

If the update is severe, or if the Windows.old folder is missing, and System Restore failed, you do not have to wipe your drive. You can perform an . If the "Go back" button is greyed out

Sometimes it isn't the big feature update that broke things, but a small security patch (KB update).