Network Vista & XP machines

Hi,

Could someone please give me simpole and clear instructions on hgow to
network a vista & XP computer. I have a Netgear DG834G router on my main
vista computer. and A netgear WG111 V2 wireless adapter connected to the
second computer. Both computers an access the internet with out problems. I
have enabled file sharing on the vista computer but beyond that I dont know
what to do. I am new to networking computers.

Any help would be very much appreciated.

Thanks