How do I change my Facebook username from a computer?

Currently, usernames can only contain alphanumeric characters (A-Z, 0-9) or a period ("."). Usernames may support non-romanized characters in the future.
You can customize the web address for your profile by choosing a username. Before updating your username, we encourage you to learn about our username guidelines.
How to change your username
  1. Click account in the top right of Facebook.
  2. Select Settings & privacy, then click Settings.
  3. Click Username.
  4. Enter your new username and your password, then click Save Changes.
Page admins can also change the user name for Pages they support. Learn how to change your Page's username.
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