NOTE: Changing your login email is different than adding a email to your profile. If you want to add an email to receive further notifications from organizations, click HERE.
Go to your Settings tab of your user dashboard.
In the top-right corner, click Add Email Address.
Navigate to your email's inbox.
In your inbox, open the "Verify Email" to verify your email address.
Once you have verified your secondary email address, return to your Settings tab of your user dashboard.
Click the Make Primary button next to your new email address.