If any piece of this triad is missing, your system will default to a lower feature level (such as 11.0 or 10.1), triggering software errors. Step-by-Step Guide to Get D3D Feature Level 11.1 Support
Note: If you are running an outdated version of Windows 10 or 11, running a standard Windows Update will automatically refresh your DirectX runtime files to the latest versions. Step 3: Install the Latest Graphics Card Drivers d3d feature level 11.1 download
Look at the right-hand side under the section for Feature Levels . Verify if 11_1 is listed in the comma-separated string. If any piece of this triad is missing,
The easiest method uses the built-in Windows tool: d3d feature level 11.1 download