After your preliminary username change you are just permitted to change it as soon as, inning accordance with the guidelines and standards of Facebook.
What Is Your Username On Facebook
Get a New URL.
Action. 1 Log in to Facebook.
Action. 2 Clear the URL bar, and type in "www.facebook.com/username." Select from the list of readily available names, or check the box beside the empty field to enter a custom-made username.
Action. 3 Click the "Inspect Accessibility" button, and click the "Confirm" button to complete the process.
Change Your Existing URL.
Action. 1 Click the "Settings" button at the top of the Facebook site.
Action. 2 Click the "Modification" link beside the "Username" section. Highlight your existing user name and press the "Delete" or
"Backspace" button to eliminate the existing name, and enter a new username.
Action. 3 Click the "Inspect Availability" button, and click "Confirm" to complete the switch What Is Your Username On Facebook.