To change the name on your account, the username, or password:
Click on the username in the top-right corner.
Click My Account.
You will then need to log in one more time to access the account details, in the top right-hand corner.
Once logged in, click on your name in the top-right corner and click My Details. You will then be able to change your account information, your name, surname, or password.
Click Save.
📌Note: No other users can update your name for you, this has to be actioned by the user with the email address and login access to the account.