To change your email, enter a new address. You'll get a confirmation email with a link you must click to complete the change.
To change your password, enter your current password, then enter the new password twice to confirm.
Forgot your password? Log out of your account, then click login again. Enter your email address and click the link for "Forgot Password."
For best results, upload a square-shaped image that is 200 by 200 pixels.