How to Connect XBox 360 to a PC for wireless internet

In this video they are teaching about "How to connect XBox 360 to computer for wireless internet". For all this we have to have a laptop or a computer. And it also needs an Ethernet cable. It will be portable both for computer and laptop. Connect the Ethernet cable both to the laptop and XBox. After connecting that switches on the XBox, go to the network connections in laptop and advance the settings there. Switch on the XBox and see if its showing connected. If it does not show just go to the wireless network connection and turn off the firewall. In spite of that, if it shows that it's not connected just turn off every thing and then turn it back on.