Steps on how to change your user name on Facebook. 1. Click to open your internet browser. 2. Open your Facebook account. 3. Bring cursor to the Account tab found on the upper right corner. 4. Click Account tab to open. 5. Point cursor to Account Settings and click it. The My Account page will open. 6. Click on the Name tab so that your name will appear. 7. Delete your First and Last Names and replace with the new First and Last Names that you want to use. 8. Click on Change Name. 9. Click Hide and you can continue using Facebook using your new name.