Setting up an ad-hoc (computer to computer) wireless network is pretty straight forward. Here are some instructions. http://www.microsoft.com/windowsxp/using/n..._02april08.mspx Wired is typically just a matter of using a cross over cable, setting a static IP on both systems, enable file/printer sharing, enable the guest account, and share a drive. But honestly... I'd just suggest buying a cheap Router/Access Point. It's MUCH easier.