Are you trying to fix a specific error message, like a "missing .dll" file?

by default. You do not need a standalone installer; simply keep your Windows updated to receive the latest DirectX features. Legacy Applications : Some older games require components from the DirectX End-User Runtime (June 2010)

: If you do not have an internet connection on the target PC, use the DirectX End-User Runtimes (June 2010) redistributable, which contains all files in a single offline package. Verify Your Current Version

– DirectX 12 is built into Windows 10/11. Keep your OS updated via Settings → Windows Update.