Xp Desktop

What are the steps to add the Windows XP network, desktop and my laptop for Windows 7 on my home network group?

The desk is connected to a Belkin router N. Then I had the laptop on the network of Yahoo Answers set of answers for me what I needed to move forward. View http://www.youtube.com/watch?v=-LJySkK3E8o. Now I have my XP desktop. How? If you know how to respond, good things happen naturally.

Can not add Windows XP aw homegroup – Added the networking group is a network protocol for Windows 7 .. which is only compatible with Windows 7, the working group so that the names are the same in both equipment, which guarantee access to their own sharing of any equipment to enable another firewall, etc and then connect the router to any PC or you can configure ad-hoc network between the computers .. although the use of a router that would be easier and higher

Windows XP SP2 3D Desktop