Microsoft has started retiring older .NET Framework versions from its official distribution channels. The offline installer ensures you have a permanent backup of v4.0.30319 for your legacy hardware.
Windows XP (SP3), Windows Vista (SP1 or later), Windows 7, Windows Server 2003 (SP2), Windows Server 2008, and Windows Server 2008 R2. (Note: Windows 10 and 11 include newer versions of .NET 4.x by default, which natively run 4.0 applications). Processor: Minimum 1 GHz processor (Pentium or equivalent). Microsoft has started retiring older
: 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 Windows Vista (SP1 or later)