Run Windows XP's Network Setup Wizard on both computers. Within the Network Setup Wizard give all computers the same Workgroup name and ennable File And Printer Sharing.
Whatever you place in a shared folder on one computer will be visible to the other computer.
To view the shared folder on another computer, click on My Network Places to find the other computer's shared folder.
If you can't find the Network Setup Wizard, look in Help and Support
ive got 2 desktops with xp and and a laptop with xp that are connected thru a linksys router, how and where do you go to get to files on one of the other computers, new to this and dont really understand where i find the files at.