To change the current email address on your account, click on your profile picture and select "Settings":
Then click "Profile" from the Account settings section:
Scroll a little bit down and click “Change“ next to your email address section:
Type your new email address into the "New email address" box and press the "Save" button below:
A confirmation email will be sent to the updated email address to verify it is valid. Check your new email inbox for a confirmation code to complete the process.
Copy/paste the confirmation code into the appropriate field, enter your current password, and click "Confirm" to save the changes:
Note! After you make these changes, you have to log in to your new email and confirm the changes. Then you will need to use the new email to sign in to your account thereafter. All notifications will be sent to your new email address.