d3dx9_31.dll download:

DLL File Name: d3dx9_31.dll

DLL File Size: 1024 KB

DLL Version: N/A

DLL Information: N/A

Download d3dx9_31.dll

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How to install or register d3dx9_31.dll to fix the d3dx9_31.dll missing error?

To register the d3dx9_31.dll file, first download d3dx9_31.dll form this page. Then open Command Prompt as an administrator, enter the installation folder, and run the "regsvr32" command. You'll receive a confirmation if the d3dx9_31.dll is successfully registered.

The command is as below:

C:\User\Username>cd c:\windows\system32
C:\Windows\System32>regsvr32 d3dx9_31.dll

How to unregister d3dx9_31.dll?

To unregister the d3dx9_31.dll file, the command is as below:

C:\User\Username>cd c:\windows\system32
C:\Windows\System32>regsvr32.exe /u d3dx9_31.dll