: The standalone installer ( dotNetFx40_Full_x86_x64.exe ) includes "smarts" to automatically detect and install the correct files for both 32-bit (x86) and 64-bit (x64) architectures. Key Features of .NET Framework 4.0.30319
Using the ( dotNetFx40_Full_x86_x64.exe ) is often preferred over the Web Installer for several reasons: : The standalone installer ( dotNetFx40_Full_x86_x64