Make sure you are logged in, then click on My Account at the top of the page. Under Personal Information, click the Edit button to make your changes. Once your changes have been made, click Update to save your changes. Please be sure to complete all fields.
Make sure the birthdate you are using is not your child's birthdate. The website is designed to prevent minors from registering for an account. See Your Eligibility in the Official Rules for complete information.
Note: currently, you are not able to change the email address associated with your account. If you need an account with a different email address right away, please create a new account.