Instructions
Connect the Xbox 360 Wireless Adapter to the back of your console via the device's USB cord.
Boot up your Xbox 360 console.
Access the "System Settings" menu from the "My Xbox" tab. The "System Settings" menu is the final option in the "My Xbox" tab.
Press "A" on "Network Settings" in the "System Settings" tab. The system will take a moment to search and display all available wireless networks.
Press "A" on the name of your wireless network. If the Wi-Fi is password protected, you will need to enter your password. The console will then sync with your Netgear Dualband-N WNDR3300 wireless router.