Select , 12_0 , or 12_1 , depending on what the specific game requires to boot.
The easiest method is to press Windows Key + R , type dxdiag , and press Enter. In the DirectX Diagnostic Tool, select the tab. Look for "Direct3D DDI" under the Drivers section. If it shows "12" (e.g., "12" or "12_1"), your card has native driver support for DirectX 12.