Download the official 326.01 WHQL Windows 8.1 Preview Driver Downloads. Since a few users have reported this driver did not show up in their Windows Update, NVIDIA is releasing them separately so that users may have access to them. 

If you already installed these drivers and are not experiencing any issues, you do not need to reinstall these drivers below. If however you did not see this driver through Windows Update and had to install a modified version, we ask that you first attempt a clean install using the driver below. Many support cases we receive from end users are easily solved by performing a clean install.

Please post your feedback on this driver right here. This driver supports Windows Vista, 7, 8.

Release Summary
This is a WHQL-certified GeForce driver for the Windows 8.1 Preview.

Supported products

GeForce 700 series:
GTX TITAN, GTX 780, GTX 770, GTX 760

GeForce 600 series:
GTX 690, GTX 680, GTX 670, GTX 660 Ti, GTX 660, GTX 650 Ti, GTX 650, GT 645, GT 640, GT 630, GT 620, GT 610, 605

GeForce 500 series:
GTX 590, GTX 580, GTX 570, GTX 560 Ti, GTX 560 SE, GTX 560, GTX 555, GTX 550 Ti, GT 545, GT 530, GT 520, 510

GeForce 400 series:
GTX 480, GTX 470, GTX 465, GTX 460 v2, GTX 460 SE v2, GTX 460 SE, GTX 460, GTS 450, GT 440, GT 430, GT 420, 405

GeForce 300 series:
GT 340, GT 330, GT 320, 315, 310

GeForce 200 series:
GTX 295, GTX 285, GTX 280, GTX 275, GTX 260, GTS 250, GTS 240, GT 240, GT 230, GT 220, G210, 210, 205

GeForce 100 series:
GT 140, GT 130, GT 120, G 100

GeForce 9 series:
9800 GX2, 9800 GTX/GTX+, 9800 GT, 9600 GT, 9600 GSO, 9600 GS, 9500 GT, 9500 GS, 9400 GT, 9400, 9300 GS, 9300 GE, 9300, 9200, 9100

GeForce 8 series:
8800 Ultra, 8800 GTX, 8800 GTS 512, 8800 GTS, 8800 GT, 8800 GS, 8600 GTS, 8600 GT, 8600 GS, 8500 GT, 8400 SE, 8400 GS, 8400, 8300 GS, 8300, 8200 / nForce 730a, 8200, 8100 / nForce 720a

ION series:
ION LE, ION