Windows XP, Vista, 7, 8, 10, and 11 do not have native drivers for this card. The same driver works across many brands (Leadtek, Hauppauge, AVerMedia) if they use the BT878 chip.
OBSForums - SAA7134 Generic Drivers (replace with actual URL if reposting) pci-tv-capture-card-lw-pcitv-fm-drivers