Download the Nvidia GeForce 425.31 WHQL driver as released by NVIDIA. This driver among other things, adds DXR to Select GeForce GTX GPUs. These Include Pascal GPUs as well as the 1660 6GB.  In addition, the driver adds support for "Anno 1800," and fix a number of issues listed below.

Game Ready Drivers provide the best possible gaming experience for all major new releases, including Virtual Reality games. Prior to a new title launching, our driver team is working up until the last minute to ensure every performance tweak and bug fix is optimized for the best gameplay on day-1. We have a discussion thread open on this driver here in our Nvidia driver discussion forums.

Game Ready
Provides the optimal gaming experience for Anno 1800

Gaming Technology
Includes support for DirectX Raytracing (DXR) on GTX 1660 Ti, GTX 1660, GTX 1080 Ti, GTX 1080, GTX 1070 Ti, GTX 1070, and GTX 1060 6 GB. The GTX 1060 3 GB (and higher) GPUs

Fixed Issues in this Release

• [SLI][Adobe]: With SLI enabled, artifacts may appear in Adobe applications. [2533911]
• [ARK Survival Evolved]: Fixed random crashes on GeForce RTX 20 series GPUs. [2453173]
• [Tom Clancy’s Ghost Recon Wildlands]: The game crashes when accessing the inventory menu. [2404783]
• [The Witcher 3]: Blue-screen crash occurs randomly with Bad Pool error during gameplay. [2449346] 
• [The Evil Within 2]: Artifacts appear when Texture Filtering is set to High Quality in the NVIDIA Control Panel. [2526817]
• [Fabfilter plugins]: Applications crash when using the Fabfilter plugin. [2532725]
• [ASUS ROG Strix GL702VS notebooks]: Fixed corrupted graphics in games on ASUS ROG Strix GL702VS notebooks. [2535373]
• [Titan X][GTA V][Stereo]: With Stereo enabled, OUT of Memory message appears when launching the application. [200317778]

Software Module Versions

• nView - 149.77
• HD Audio Driver - 1.3.38.13
• NVIDIA PhysX System Software - 9.19.0218
• GeForce Experience - 3.18.0.94
• CUDA - 10.1
• NVIDIA Control Panel - 8.1.951.0

Supported cards:

GeForce RTX 20 Series:
GeForce RTX 2080 Ti, GeForce RTX 2080, GeForce RTX 2070, GeForce 2060, Titan RTX

NVIDIA TITAN Series
NVIDIA TITAN V, NVIDIA TITAN Xp, NVIDIA TITAN X (Pascal), GeForce GTX TITAN, GeForce GTX TITAN X, GeForce GTX TITAN Black, GeForce GTX TITAN Z

GeForce 10 Series
GeForce GTX 1080 Ti, GeForce GTX 1080, GeForce GTX 1070 Ti, GeForce GTX 1070, GeForce GTX 1660 Ti, GeForce GTX 1060, GeForce GTX 1050 Ti, GeForce GTX 1050, GeForce GT 1030

GeForce 900 Series
GeForce GTX 980 Ti, GeForce GTX 980, GeForce GTX 970, GeForce GTX 960, GeForce GTX 950

GeForce 700 Series
GeForce GTX 780 Ti, GeForce GTX 780, GeForce GTX 770, GeForce GTX 760, GeForce GTX 760 Ti (OEM), GeForce GTX 750 Ti, GeForce GTX 750, GeForce GTX 745, GeForce GT 740, GeForce GT 730, GeForce GT 720, GeForce GT 710, GeForce GT 705

GeForce 600 Series
GeForce GTX 690, GeForce GTX 680, GeForce GTX 670, GeForce GTX 660 Ti, GeForce GTX 660, GeForce GTX 650 Ti BOOST, GeForce GTX 650 Ti, GeForce GTX 650, GeForce GTX 645, GeForce GT 645, GeForce GT 640, GeForce GT 635, GeForce GT 630, GeForce GT 620, GeForce GT 610, GeForce 605

Have you read our MSI GeForce GTX 1660 Gaming X review already?