Hi Karen.
1. You need a crossover cable
for transferring files, or a ethernet hub.
2. Run Windows explorer, then go
to tools/folder options/view tick use
simple file sharing
3. Also double click on the LAN icons
on BOTH PC's / Properties, and tick
File and printer sharing on both as well).
(if you want to share a printer).
These icons are on the bottom right
of your taskbar