Select Logout but do not click Logout in the next screen/page ![]()
At the top of the page, you'll see tabs where you can change your password or edit your profile (change email address).
If you'll change the email address, you will receive an email to activate it
How can I change the email address and password combination I entered when I set up my CNet account?
There appears to be no way to do this in the 'Edit My profile' section.

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