This OS does not have wireless drivers built-in, which is why you have a drivers cd.
install the software and set it up for your card according to the manual! you may have to install the card AFTER the software (often the case). turn off the machine before plugging in the wireless card. make sure you at least hold onto the bare metal of the case with one hand while you are handling the card.
This OS has the drivers built-in - you are discouraged from using the drivers and software that came with the card.
turn off the machine, plug in the wireless card & go. make sure you at least hold onto the bare metal of the case with one hand while you are handling the card. no need for drivers. In fact, DO NOT install the drivers unless nothing else works. Even if nothing else is working, the card may be bad and using drivers is generally discouraged.
Long Distances or through many walls
I suggest you get a long range router or a Wireless NIC & router that has MIMO and or better external antenna (see the cool products page). some cards get better reception over long distances than others.
DUAL-BAND-N? It has been suggested that you choose a low 2.4GHz band wireless-N router for going thru walls because the higher 5GHz band does not go through them as well - so a dual-band router may not service you as well. however, if you are in a band-crowded area, dual-band may be something to try.