1. Login to your existing account using the link at the top of the page, My Account.

2. Now you're on the account dashboard. The various tabs here will let you view information on your account.

  •     To modify name, email, or password, use the Account Details tab.
  •     To change, add, or delete saved cards, use the Payment Methods tab.
  •     To change the saved billing and shipping addresses, use the Addresses tab.