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Downloading d3dx9_39.dll (v9.24.949.2307)

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How to Install d3dx9_39.dll on my computer?

There are two ways in which you can install this DLL file on your computer. You can either copy the file to the installation folder of the application that requires the DLL or register it using Microsoft REGSVR. Here are the instructions for both the methods:

Method 1: Copy d3dx9_39.dll to the application's installation directory

  1. Quit the application or game that is showing the .dll error.
  2. Download the DLL file from the Downloads section of this page. It will be downloaded as a zip file.
  3. Extract the contents of the zip file to any location on your computer.
  4. Once extracted, you will find the d3dx9_39.dll file in it. Copy this file and to the installation directory of the program or game that requires it.
  5. Now launch the application to check if the issue is resolved.

Method 2: Register d3dx9_39.dll using Microsoft REGSVR

REGSVR is a command-line utility for Windows that can be used to register and unregister DLL files. We'll use this to register the DLL file downloaded from this page.

  1. Quit the application or game that is showing the .dll error.
  2. Download the DLL file from this page. It will be downloaded as a zip file.
  3. Extract the contents of the zip file to any location on your computer.
  4. Once extracted, you will find the d3dx9_39.dll file in it. Copy this file to your system directory. The location of the system directory depends on the DLL architecture and your OS:
    • If your Windows is 64-bit, then the 64-bit DLL files should be copied to the C:\Windows\System32\ directory and the 32-bit DLL files should be copied to the C:\Windows\SysWOW64\ folder.
    • On Windows 32-bit, the file should be copied to the C:\Windows\System32\ folder.
  5. Now search for Command Prompt, right-click on it and select Run as administrator.
  6. Type the following command and press Enter: regsvr32 d3dx9_39.dll
    • If registering 32-bit DLL on a 64-bit Windows, then enter the following command instead: regsvr32 c:\windows\syswow64\d3dx9_39.dll
  7. Restart your computer and open the application or game to check if the problem is fixed.