Despite its age, the June 2010 package remains relevant for three primary reasons:
You don’t need to search shady DLL download sites. You need the June 2010 redistributable. Those numbered DLLs (d3dx9_31 through d3dx9_43, D3DX10, D3DX11, XInput, XAudio2, etc.) all come from this exact package. Modern Windows does not include them by default. directx end-user runtimes (june 2010) package
This redistributable package is the definitive solution for users encountering errors related to missing files, such as d3dx9_43.dll or xinput1_3.dll , ensuring that older high-performance games and media software run smoothly. What is the DirectX June 2010 Package? Despite its age, the June 2010 package remains
The June 2010 release is an "offline installer" or "redistributable" package. Unlike the Web Installer, which downloads components as needed, this package contains the entire suite of DirectX libraries released up to June 2010 in one 95.6 MB file. Modern Windows does not include them by default