- go to runescape.com and click on to upgrade and it will tell put you account and put the way you are going to pay it, put the "pay by phone" and put seven numbers(the seven numbers are a fake phone number, and don't be stupid to put your phone number then you have to pay it and it will give you s number to call and call it and it will give you a code to write and then you write it in the redeem box! so there you have it