If you have Windows installation media (like a USB or ISO), you can install it offline using an elevated Command Prompt:
The .NET Framework is a developer platform used to build and run applications on Windows. Legitimate versions include: .NET Framework 3.5
"The application failed to start because dotnetfx365.exe was not found." "Dotnetfx365.exe is not a valid Win32 application."
It is often found on third-party "driver update" or "software library" websites. These sites often rename files to improve search engine rankings.
