I know this is not the first time you have posted as I have replied to some of your posts. So Title to thread is no going to attract much interest. If you was selling Something I think it would be more Intuitive.
No down to your problem, Looks like you cannot connect to your Wireless Router Correct me if I am wrong.
You should be able to input SSID if needed and Encryption Key if your Router is Secure, that should get you connected.
If on the Other hand you are trying to Network Computers, Go to Control Panel, Switch on All Computers and Printers that you want to share. In Control Panel Double Click on Network Wizard this should be done on the XP computer, fill in details it asks for then create a disc to use on other computers when it offers, you should then use this disc on other computer while they are all switched on. SAVE THE DISC