How to change your Facebook password! Alright, so the first thing you should do is long onto facebook. Once your logged in go to the top right hand corner of your screen and click on account: It should look like that. Then Click Account settings (third from the top) Then click on the fourth option on the top which says “Password” It will ask you to type in your old password, the new password and then your new password again to confirm. Once your done your password will be changed.