Sound drivers for windows xp pci

If this is a retail machine like Dell, Gateway, HP, or something, go to their website and they will have the drivers. If this is a home built computer and you're using onboard sound, go to the motherboard manufacturer's web site and download it from there. If you installed a sound card, the driver is on the disk that came with it or you can go to the card manufacturer's web site and get it there.