How do i update ALL DirectX versions on my Windows 10  

  1. Posts : 19
    Windows 10 Pro

    How do i update ALL DirectX versions on my Windows 10

    Sometimes when i install games i get an error saying that a d3dx9_43.dll or something like that is missing and i know that it's got something to do with DirectX. I don't know what the Latest version of DirectX is for Windows 10 but mine is version10 and through Google i discovered that there is already a version12 and i don't know how to update/install it. I tried downloading DirectX end-user runtime web installer Download DirectX End-User Runtime Web Installer from Official Microsoft Download Center to update all versions (from 1 to latest) but i keep getting an error saying that "A cabinet file necessary for installation cannot be trusted. Please verify the Cryptographic Services are enabled and the cabinet file is valid. " everytime i run the installer. Is there a way to fix this? How can i update to all (complete) DirectX versions? Someone please help.
      My Computer

  2. Posts : 13,324
    Win10 Version 22H2 Pro and Home, Win11 Pro and Home

    On my Win10 Pro the applet DXDIAG [in the Run box] shows I have version 10.1 but it also shows I have 10.0, 9.3, 9.2 and 9.1 on the Display tab. A Search in the C: drive does not find a d3dx9_43.dll file. I have an ATI Radeon HD 4200 Add-in video card. I have seen issues on older computers about the *.cab file/s and usually they were on the CD that came with the video card. If the Notebook/Laptop is using the onboard/built-in video adapter [most do] you may need to check with Acer for updated drivers for it.
      My Computers

  3. Posts : 19,498
    W11+W11 Developer Insider + Linux

    Just download and install DirectX 9c, it will just add those other files and compatibility without affecting Dx11/12.

    Download DirectX 9.0c End-User Runtime from Official Microsoft Download Center
      My Computers


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