In setting up a network, you will make changes to your operating system, and as always, Murphy's Law applies. Hardware the first step Start by getting the right hardware. Network cards come in different varieties. You can get cards that plug into either PCI or ISA slots in your computer. But they are a bit more expensive than ISA cards.
Faster cards are more expensive.
This is a plug that looks similar to a modular phone jack, but bigger. You'll need enough cable to reach from one PC to the other. Start by installing the cards, and connecting the PCs with the CAT 5 cable. If you have more than two PCs, use cable to connect each machine to the hub. Power up each computer and install the drivers for the cards according to the card-maker's instructions.