Things You'll Need
Instructions
Turn off your Xbox and plug the USB wireless adapter into the USB port on the rear panel of the console.
Turn on your Xbox and eject any games in the disc tray. Wait for the "Xbox Home Menu" to appear.
Press down on the controller to go to the "My Xbox" and press "A." Open the "System Settings" submenu and go to the "Network Settings" entry.
Open the "Configure Network" menu and go to the "Wireless Mode" option. Highlight the "Scan For Networks" option and press "A" to search for your home network.
Highlight your network's name and press "A." Enter in the password for your network and press the "Start" button to connect to your network.
Press "B" on the controller to return to the earlier menu and open the "Test Xbox Live Connection" option. Select "Yes" to ensure the connection is configured properly.