11.1 runtime. Unlike standard software, you cannot simply "download" a feature level; it is a hardware requirement that depends on your graphics card (GPU) architecture. Microsoft Learn How to Get Feature Level 11.1
Feature Level 11.1 represents a significant milestone in the evolution of graphics technology, offering improved performance, new features, and enhanced capabilities. By downloading and installing the DirectX 11.1 SDK and runtime components, developers and enthusiasts can unlock the full potential of their graphics hardware and take advantage of the latest graphics features. d3d feature level 11.1 download