First, you need to log in to your account using your current registered email address. After you have logged in, click on your user profile icon on the top right corner and select Account Settings.
Image 1: Accessing your user profile from the homepage.
You will see your details, including your current registered email address. To change it, click on Change email.
Image 2: Locating the 'Change email' tab in Account Settings
A window will pop up, displaying your current registered email address and fields to type in your new email address. Enter your new email address in the New Email and Confirm Email fields. Click Update to complete the process.
Image 3: The 'Change email address' pop-up window.
You will receive a confirmation email that you have changed your registered email address. You may now use your new email address when you sign in the next time. Your current email subscriptions and alerts will also be updated and sent to your new email address.