To change your email address, click on your image at top-right of the site, then on Settings.
This takes you to the Account details tab, where you’re able to change a number of details of your account, including the email address.
Enter a new email address, click Save changes, and we’ll send a confirmation email to your new email address immediately.
Once you receive that email, click the link in it to verify it’s really your email address. That will save your new email address to your account.