Because DirectX 12 is a core system component of Windows 10, you typically cannot download it as a standalone .exe file like you would with Chrome or VLC. This guide explains the truth about DirectX 12 installation and provides the official method to install or repair it on your 64-bit system.
Check for any driver or feature updates related to graphics, as these often include DirectX components. Verifying Your Current Version directx 12 windows 10 64 bit offline installer link
This is the final offline redistributable from Microsoft (DX9, 10, 11): Because DirectX 12 is a core system component
To run DirectX 12, your system must meet the following requirements: Verifying Your Current Version This is the final
If you are getting errors like "d3dx9_43.dll is missing" or if your games are crashing, you do not need to "reinstall DirectX 12." You likely need to update your Windows or install the End-User Runtimes.
Since DirectX 12 is built into the OS, the only way to get the latest bug fixes and performance improvements is through standard system updates. Update & Security Windows Update Check for updates