This official Microsoft tool checks for and updates missing or outdated DirectX 9, 10, and 11 runtime libraries.
Modern Windows operating systems like Windows 10 and 11 do not have a traditional "uninstall" button for DirectX because it is a core component integrated directly into the OS. Instead, "reinstalling" DirectX typically involves updating your system or manually repairing corrupted files. How to Properly "Reinstall" DirectX directx reinstall
While not a reinstall, dxdiag helps identify if DirectX is truly broken. This official Microsoft tool checks for and updates
Before reinstalling DirectX, ensure you: directx reinstall