Direct3D Feature Level 11.1 requires at least with the Platform Update, or Windows 8/10/11 .
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
: You must install the Platform Update for Windows 7 (KB2670838) to get partial DirectX 11.1 support. Note that even with this update, Windows 7 does not support the full hardware driver model required for 11.1 in many modern games. Common Fixes for Gamers Direct3D Feature Level 11