Download the latest Game Ready Driver via NVIDIA GeForce Experience or their official website.
No separate file needed.
DirectX 12 Shader Model 6.0 provides a range of features and improvements, including: Directx 12 Shader Model 6.0 Download
You download Shader Model 6.0 as a standalone package. To get it: Download the latest Game Ready Driver via NVIDIA
I can provide targeted troubleshooting steps to fix your graphics initialization issues. Directx 12 Shader Model 6.0 Download
It accelerates compute-heavy workloads like screen-space reflections and ambient occlusion. 16-Bit Scalar Data Types