Learn how to back up Firefox History, Passwords, Bookmarks, or Firefox Profile so that you can restore them later in Windows 11/10.

The User Profile Folder is an essential location in your Windows 10 and 11 installations, but renaming it isn't something you can do easily. Here's how.

Proceed with the on-screen instructions and click Finish. Windows will restore itself to an earlier state, and you should now be able to log in without any hassles.