They are two uniquely different driver sets with their own codes complete. They are not updates as you would presume. If you never had any driver installed you could install the 81.95 drivers fresh. That is why you uninstall the old drivers and then install the new ones!!
Noli Nothis Permittere Te Terere!!
EVGA 680i, Dual EVGA 8800GT'S (650/950), 4 gigs OCZ DDR2 1066, Intel Q9450 at 3.8 Ghz, Koolance Water Cooled, Dual Plextor16x DL DVD+/-RW. Dual WD 250gb 16mb Cache Sata 3.0. 3DMark06 score = 19,168.