Game Ready Drivers provide the best possible gaming experience for all major new releases, including Virtual Reality games. Prior to a new title launching. This driver among other things, adds DXR to Select GeForce GTX GPUs. These Include Pascal GPUs as well as the 1660 6GB.

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 GeForce GTX 1060 6GB (and higher) and GeForce GTX 1660 (and higher) GPUs

https://www.guru3d.com/files-details/geforce-425-31-whql-driver-download.html