Things You'll Need
Instructions
Wireless Connection
Plug the cable from the Xbox 360 wireless networking adapter into the port on the back of the Xbox 360 Pro console.
Click "System Settings" under the "My Xbox" tab of the Dashboard menu.
Click "Network Settings" in the system settings menu.
Click "Configure Network" in the network settings menu.
Click "Basic Settings."
Click "Wireless Mode."
Click "Scan for Networks."
Click the name of your wireless network in the list that appears.
Enter your network's security information into the prompts. The Xbox 360 Pro console automatically skips this step if your network is unsecure.
Click "Test Xbox Live Connection" to verify that your Xbox 360 Pro is properly connecting to the Internet through your router.
Wired Connection
Plug the network cable into the port on the back of the Xbox 360 Pro console.
Connect the other end of the cable to an output port on your modem or router.
Click "System Settings" under the "My Xbox" tab of the Dashboard menu.
Click "Network Settings" in the system settings menu.
Click "Test Xbox Live Connection" to verify the network cable is properly connected.
Join Xbox Live
Click your gamer profile under the "My Xbox" tab.
Click "Join Xbox Live."
Enter the requested information into the prompts. You need a Windows Live ID to create an Xbox Live account.
Click the Xbox Live account type you want to create. Enter your payment information if you are creating an Xbox Live Gold account.
Enter your profile information to finish creating the Xbox Live account. Your console automatically connects to the Internet anytime you use this Xbox 360 gamer profile.