Things You'll Need
Instructions
Connect your Xbox 360 to the computer running Windows Media Center via Ethernet cable. You can also connect the two devices to the same network, such as a home network on a router.
Turn on both devices.
Run Windows Media Center on your computer.
Scroll to "Tasks," then choose "Extender" in Windows Media Center.
Click "Next" on the resulting prompt after reading the introduction to the extender setup. You will then be asked to enter an eight-digit code, which you do not yet have.
Open Windows Media Center setup on your Xbox 360 by going to "My Xbox" in the dashboard and selecting "Windows Media Center."
Choose "Continue" after reading the introduction on the Xbox 360 Windows Media Center setup. Your console will check the network then give you an eight-digit code.
Write down the eight-digit code displayed on your Xbox 360, then enter that code into the extender setup prompt on your computer.
Follow the rest of the prompts on your computer to finish setting up Windows Media Center to run on your Xbox 360.