Internet Connection Sharing

Need to know how to setup Internet Connection sharing.
have a 98 machine with Directway satillite, have 3 other workstations that have 98 also. I would like to setup the computer with the directway to share its internet connection. What will I have to do, Install, and configure. I have treid Analogx Proxy but have problems with email. PLEASE be specific as possible, far I am stupid. Thanks