Facebook usernames can be utilized for facebook login, mail accounts, along with easy profile linking. Hence alter facebook username smartly.
But recently facebook provides allowed you to alter the particular username one time even though you have it already set. To be able to modify facebook username of your account you will need to visit your current Account Settings page and you will see a section labeled username. Mouse click on change username and it will be possible to alter to a username that's at present not taken by some other fb users.
Then if you used a unused username you will get a confirmation message that will set the username for your account and your facebook email address.
And remember that this is a one time change only, You might not be able to change it later if facebook decides to. So choose a good username that you can live with and set it up.
