Directx 12 not support on you system. Dx12 is not supported on your system. directx 12 is not supported on your system. dx12 is not supported on your system.try running without the dx12 or d3d12 command line argument. xnj pf jib,rf d bckt directx 12 is not supported on your system. try running without the -dx12 or -d3d12 command line argument.