To connect using wireless, you need to buy the wireless adapter for the 360, hook it up, and then go to the network panel in the 360 and enter in any encryption keys for the wireless network you're connecting to.. . You can sign up to live simply by hooking the 360 up to the internet and going to the X-Box Live panel in the 360 dashboard. There's a very simple step-by-step process there to sign up for live.. . Keep in mind that you do need a credit card to sign up for Live Gold, which is required to play games multiplayer over live.