Things You'll Need
Instructions
Turn on your PC and Xbox 360, and log onto both using an account with administrator privileges.
Open your computer's "Start" menu and click "Tasks." Choose "Add Extender" and wait for the Windows Media Center welcome screen to load, then click "Next."
Navigate to the "My Xbox" menu of your Xbox 360 and choose "Xbox Media Center."
Choose "Generate Code" on your Xbox 360 by highlighting the option on your HDTV screen and selecting it with the green "A" button of your 360's controller.
Note down the eight-digit code displayed on your HDTV screen. Use your keyboard to enter this key into the box on your PC's "Extender Setup" screen. Click "Next" and wait for the computer to make the necessary changes to your software, then click "Finish" to complete the setup.
Access Windows Media Center on your HDTV from your Xbox 360 at any time by choosing "Windows Media Center" from the "My Xbox" section of the console's menu.