Wrong. Steam installs redistributables. It often misses the specific legacy DirectX files required by DRM-free copies (GOG, itch.io) or old CD/DVD installs.
Summary
A genuine June 2010 DirectX redistributable (official) has the following SHA-1: 4BADD1D7F48EA56A0A3A3FD5B96D5A06BF49AA0C . Repacks will differ, but trustworthy repacks often publish their own hashes. directx end user runtimes web installer repack
This repack strips away the unnecessary "Bing Bar" or browser offers often found in the original web installer. Legacy Support: directx end user runtimes web installer repack
) contains all files, eliminating the need for an internet connection, unlike the Web Installer. 3. Web Installer vs. Offline Redistributable (Repack) Web Installer ( dxwebsetup.exe Offline Redistributable ( Jun2010_redist Very Small ( directx end user runtimes web installer repack