If you need to change your email address or the name on your account you can easily do this from the "Your Profile" section of your account.
Step 1: Click on the "Account" drop-down menu and select "Your Profile".
Step 2: Edit and of the following information, First Name, Last Name, and/or Email address.
Step 3: Enter your current password, then click the green "Update" button.
*If you need to reset your password, please see this article. How to Reset Your Password.