How do I change my username?
You can only change your account's username once. To change your username:
  1. Click  at the top right of any Facebook page and choose Account Settings
  2. Click General in the left-hand column
  3. Look for the setting Username and click Edit to the far right
  4. Type your new username in the open field and click Save Changes
Page admins can also change their Page's username once.
 
......................................................................................................................................................................................................... .................Im a 76 year old Nutcase.. TOMMY LOVES YOU ALL. .. I'm a committed atheist.