1. insert CD and install the drivers.
2. turn off PC
3. open PC case and find the slot for the LAN card, assuming there is not one installed already. they will only fit one slot. Make sure you earth yourself before touching the card or inside the PC, this can be done by touching a radiator to expell any static.
4. reboot the PC and windows will find and install the drivers for the card. If this does not work then go to control panel and select install new hardware.