16. Service Operation and Equipment.
The Service may only be accessed with an original Xbox, an Xbox 360 console, a personal computer, or other device authorized by us, or by logging into your account via Xbox.com . You agree that you are using only authorized software and hardware to access the Service, that your software and hardware have not been modified in any unauthorized way (e.g., through unauthorized repairs, unauthorized upgrades, or unauthorized downloads), and that we have the right to send data , applications or other content to any software or hardware that you are using to access the Service for the express purpose of detecting an unauthorized modification.