: Modern Windows versions include the "core" DirectX 9 files, but they do not include the optional components like D3DX, XACT, and XAudio. Version Fragmentation
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: Used by 64-bit applications and stored in C:\Windows\System32 . How to Install DirectX 9.0c Extra Files directx 90c extra files x86 x64
Here is where users go wrong: If you download a random DLL from a website and put d3dx9_43.dll into C:\Windows\System32 , but you are running a 32-bit game, the game will ignore that file because it is looking in the 32-bit folder ( SysWOW64 ). This causes "side-by-side" configuration errors.
| Error Message | Missing File | Architecture | | :--- | :--- | :--- | | "The code execution cannot proceed because d3dx9_31.dll was not found" | D3DX9_31 | x86 (Most common) | | "d3dx9_35.dll is missing from your computer" | D3DX9_35 | x86 | | "Failed to create XAudio2 engine" | XAudio2_6.dll or XAPOFX.dll | Both | | "XINPUT1_3.dll not found" | XINPUT1_3 | x86 (Older controllers) | : Modern Windows versions include the "core" DirectX
: Modern DirectX (DX11/12) is not natively backward-compatible with all DX9 features. These "extra" files provide the necessary interface for legacy code.
The extra files associated with DirectX 9.0c for x86 and x64 architectures refer to additional libraries, drivers, or DLLs (Dynamic Link Libraries) required to support these CPU architectures. These files are crucial for: How to Install DirectX 9
In a 64-bit Windows environment, both versions of these extra files are often necessary: x86 (32-bit):