C:\DXSDK_Jun10 (or C:\Temp\DXSDK_Jun10 )

: After the installation finishes successfully, you can safely delete the temporary "DirectX_Extract" folder and all the files inside it. Why Is Extraction Necessary?

The June 2010 SDK is with newer Windows SDKs if you install all components.

Extracting the (specifically the redistributable package) is a two-step process that often confuses users because the initial .exe is actually a self-extracting archive, not the final installer. You should extract these files to a temporary folder of your choice, such as a new folder on your Desktop . Step-by-Step Extraction Guide

It will warn about conflicting with Windows 8.x/10 SDKs. Ignore if you only need legacy d3dx9.h , D3DX10.h , D3DX11.h , XInput.h , XAudio2.h .

Regardless of where you extract the installer, you will likely encounter a fatal error during installation if you have a newer version of the installed.

Once the actual setup is complete, you can safely delete this extraction folder and the original .exe you downloaded to reclaim disk space. Extraction and Installation Process