How can i recover the password for my gamer tag?

I need to figure out if there is a way i can recover my password for my gamer tag so i can download the new map pack. I wrote my password down but lost the paper so i need to figure out how i can recover the password so i can get the new map pack.How can i recover the password for my gamer tag?You can still recover it by answering the security questions that you set up when you made the account