There’s usually not much reason to change your username in Windows, but the need does arise — say if your real name has changed, or “xXSephiroth420Xx” doesn’t seem that mature anymore ...

Change the User Folder Name in Windows 10 Registry The more advanced method for changing your user folder name is to do so in the registry.

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.