As explained by Microsoft representatives, the Web Installer downloads the latest available versions of DirectX components and can succeed where the redistributable package may fail due to signature issues.
To install the DirectX End-User Runtimes (June 2010), follow these steps: directx end user runtimes june 2010 verified download
For modern games, simply run the DirectX Web Installer and follow the on-screen prompts. The installer will automatically download and add any missing components without modifying your DirectX 12 installation. As explained by Microsoft representatives, the Web Installer
The utility will analyze your system and install all missing legacy DirectX components (D3DX9, D3DX10, D3DX11, XAudio, XInput, etc.). Step 4: Clean Up As explained by Microsoft representatives