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.

To change default hard drive from C: to D: in Windows 11/10, change the default save location for apps and files, move user ...

To change the name of a user profile folder in Windows 11, sign out of that user account and sign in with another user account. Also, make sure that you are signed in as an administrator.