-First go to Account Management
-Next hit Email Registration
-Now Log into the Account
-Enter YOUR email into the NEW email box, leave current email blank
-Click on Code Submission Page
-Go into YOUR email and open the email sent from JaGeX
-Copy the VERIFICATION Code and paste into the Code Submission
-LEAVE that email open
-Click Submit on the Code Submission Page
-Press the "Click Here" in the 2nd paragraph to go back to Code Submission Page
-Go back to the email and scroll DOWN and copy the UNSUBSCRIBE Code
-Enter the email YOU used and paste the UNSUBSCRIBE Code
-Click Submit
-Go back to Account Management by going back to the RuneScape main page
-Click on Email Registration again
-Enter YOUR (Must be the SAME as the one you earlier used to change the email) email to register it
-Go back to YOUR email and you should now have YOUR email on it