This is for debugging. It forces a DX12 game to run through an additional validation layer, but again, the hardware driver must support DX12.
Many users attempt the following steps:
When you use DXCPL to run a DirectX 12 game, it typically works through two main mechanisms:
: Users add a game’s executable to the dxcpl "List," set the Feature Level Limit to the required version (e.g., 11_1 or 12_0), and enable "Force WARP."