Understanding how DirectX 12 works on Windows 10 will save you a great deal of time and frustration.
“Offline installer,” she whispered to the empty room. “There has to be a full, standalone, 64-bit DirectX 12 installer for Windows 10.” directx 12 windows 10 64 bit offline installer link
Not all graphics cards support DirectX 12. If your GPU is older (e.g., NVIDIA GTX 400 series or older, or AMD HD 6000 series or older), it may only support DirectX 11. In the dxdiag tool, click on the tab and check Feature Levels to see if your hardware physically supports DX12. Understanding how DirectX 12 works on Windows 10
Nvidia Maxwell (GTX 900 series) or newer; AMD GCN 1.0 (HD 7000 series) or newer; Intel HD Graphics 4400 or newer. Graphics Drivers: WDM 2.0 or higher driver model support. Troubleshooting DirectX 12 Issues If your GPU is older (e