Only install .NET Framework 4.0 v4.0.30319 on offline machines or legacy production systems that cannot be upgraded. If you are building a new system, install .NET Framework 4.8 (the latest that supports Windows 7/8/10/11). Most 4.0 apps will run on 4.8 via in-place updates.
dotNetFx40_Full_x86_x64.exe /x:C:\temp\NET40_Extracted Only install
The phrase "Microsoft .NET Framework 4.0 v 30319" refers to a specific, legacy version of Microsoft’s software framework that was essential for running many Windows applications developed around 2010. Only install