Downloads Best: Directx 12

This implies a corruption in your Windows System files, as this file is native to Windows 10/11.

It comes built into Windows 10 and Windows 11 via automatic updates. If a game or app asks for “DirectX 12,” the issue is almost always your Windows version, GPU driver, or GPU compatibility — not a missing standalone installer. directx 12 downloads

If you are running or Windows 11 , you already have the core DirectX 12 files installed. There is no "DirectX 12 End-User Runtime" package to download because the runtime is integrated into the OS updates. This implies a corruption in your Windows System