Remove the Case. To avoid damaging your computer's parts, you have to wear an anti-static wristband when you open your computer. If you're not sure how to get the case off, consult your computer's manual. It's generally just a matter of unscrewing,

the first thing to do is to locate the PCI slots on your motherboard, different motherboards have different amounts of PCI slots, for example you may already have a PCI card installed, in which case just select an empty slot to install your new PCI card. PCI slots are long, rectangular slots in the computer. Some of the available PCI slots might be used by accessible modems or Ethernet cards. If there's no space for your new wireless card, then you might need to remove some of this old card

When you put in the PCI card into the slot, do it as cautiously as you can. Try not to touch any of the circuits on the card. One time it's in the slot, you will need to press confidently; You should also make sure that you point the wireless card's antenna upwards. And Close the Case.

Install Drivers and Software. Once the computer's done starting, it should notice it has some new hardware. This is when you should insert the CD that came with the card, and leave Windows to do its thing. The PCI card should be set up automatically.

Arrange Your Network. Your PCI wireless card gives your computer a permanent wireless connection. The first time you use it, you should be asked which wireless network you want to connect to. Select your wireless network from the list.