If you're looking to change the email address that is associated with your account, first navigate to the 'Account Info' page (click HERE if you need instructions on how to get there), then click the 'Change your email' link under the 'Registration Info' section. A box will pop up for you to enter your new email address. Enter the new email address you wish to use for your account and click 'Apply' when you are finished.
Click HERE to see our Terms of Service.