To modify your billing/personal information from your Xbox 360™ console:
From any area of the Xbox Dashboard, select your gamer profile.
From the Gamer Profile screen, select Account Management. Choose from the following account-management options:
Select Memberships to view your current membership and options for membership renewal. For more information, see Renew Your Xbox Live Membership.
Select Contact Information to confirm or modify your contact information, including your physical address (access requires the e-mail address and password associated with your Microsoft Network Passport account).
Select Passport Network Passport to change your Passport Network password (access requires the e-mail address and current password associated with your Passport Network account).
Select Xbox Live Pass Code to create a pass code to protect your gamer profile. For more information, see Set Pass Codes for Xbox Live.
Select About Microsoft Points to learn about Microsoft Points. Fore more information, see Account FAQ: Microsoft Points.
For more information about your Xbox Live membership, see our detailed Account Management FAQ.
For general information about Xbox Live memberships, see www.xbox.com/live.