To change your email you need to be logged in to your account.
Forgot your password?
If you do not have access to your account select the forgot password option and enter your email. A password reset link will be sent to the email mentioned. You can create a new password from the link received in your email to log in to your account.
Add an additional email to your account
Once you have changed your password you can login to your account.
Go to account preferences and select email address as shown below.
Use the ‘Add E-mail address’ bar to enter a new email.
After the email is captured on the website you will have to verify your email ID. You will get a mail in your inbox asking for verification of email ID. You can click on the link available in the mail for verification.
Once you have verified your email ID you can pick a primary email ID from the available email IDs.
If you want to delete the other email IDs added to your account just select the email ID/IDs and click on remove.