If you encounter issues or want to revert to the original folder name:
Risk: Low
If you just installed Windows and haven't set up much software yet, do the Registry Hack or create a New Account. It will save you years of annoyance looking at that misspelled folder name. how to change windows user folder name
You don't actually rename the folder. Instead, you move your major subfolders (Documents, Downloads, Desktop) to a new location or a secondary drive and leave the main user folder alone. If you encounter issues or want to revert