Possibly you've decided that xXgOtHgUrL420Xx wasn't a smart choice for a username-- or perhaps you're just trying to find a.
How To Change Facebook Username
1. Log into Facebook https://en-gb.facebook.com/login/
2. Get to Account Settings.
Click the equipment icon in the top-right of Facebook and select Account Settings. In the left-hand column, choose General. Find the Username field and click Edit.
3. Get in a new username.
Enter your new username and click Conserve Changes.
Note:.
Facebook specifies that you can just change your username as soon as, so pick sensibly! Your company may look at this at some point.