It seems you're referring to DXCpl (DirectXCPI), a tool used to force older versions of DirectX (like DirectX 9) to use Direct3D 10/11 features, or to adjust DirectX behavior for compatibility. The "37" likely references a version number, build, or a known registry/workaround ID.
Windows 7 is natively compatible with DirectX 11, but many older games and applications still rely on DirectX 9.0c (which is where the version numbers get tricky). Dxcpl Windows 7 64 Bit 37
If you need the tool, only download the official DirectX SDK directly from Microsoft Support. How To Fix DirectX Problems With DXCPL For OBS Studio It seems you're referring to DXCpl (DirectXCPI), a
Dxcpl.exe stands for the DirectX Control Panel. It is a developer utility included with the DirectX SDK (Software Development Kit). DirectX Emulator (DXGL) – For older DX1-7 games
DXCpl (DirectX Control Panel) was a tool from Microsoft’s DirectX SDK that let developers: