Things You'll Need
Instructions
Right-click on your computer's wireless network settings, located on the task bar at the bottom of the screen, and connect to your wireless router. Enter the network key if prompted, and then click "Connect" to connect to the network.
Open the "Start" menu, click "Network and Internet," then "Network and Sharing Center." Select "Manage Network Connections."
Hold the "CTRL" button, and highlight both "Local Area Connection" and "Wireless Network Connection."
Right-click on "Wireless Network Connection," and select "Bridge Connection."
Connect the Ethernet cable from the Xbox 360 to the Ethernet port on your computer. The Xbox 360 can now access the Internet via your laptop running Windows Vista, as long as the laptop is turned on and connected to the network.