Instructions
Access the Xbox Live website, then create an Xbox Live account. Provide details such as your email address, date of birth and country.
Select "Support," then "Check Repair Status" from the top menu.
Select "Register" in the "Register a Console" panel.
Enter your personal information in the registration form.
Enter the product serial number for the Xbox product. The product serial number in on a label affixed to the back of the product.
Enter the CAPTCHA code, then click "Submit" to complete the registration.