For older versions like .NET 3.5 (which includes 2.0 and 3.0), go to Control Panel > Programs > Turn Windows features on or off and check the box for .NET Framework 3.5. Summary: Should You Keep It?
Navigate to your download folder. Right-click the downloaded .exe file (e.g., NDP48-x86-x64-AllOS-ENU.exe ) and select . Administrator rights are mandatory for .NET Framework installation.
a specific version of .NET for a program you're trying to run? AI responses may include mistakes. Learn more Install .NET Framework 3.5 on Windows 10 - Microsoft Learn dotnetfx 365.exe
The installer itself only sends telemetry about the success/failure of installation. You can block it with a firewall, but the .NET runtime does not phone home.
Have you ever spotted a file named dotnetfx 365.exe on your computer and wondered if it's a legitimate part of Windows or something more sinister? You're not alone. This unusual filename has puzzled many users, as it closely resembles a genuine Microsoft system component but with an extra twist. For older versions like
: Windows 10 and 11 come with .NET Framework 4.x pre-installed, but they do not include version 3.5 by default. You may need to enable it manually to run older apps. How to safely get .NET
If you encounter issues during installation, you can try: Right-click the downloaded
: This is Microsoft's long-standing shorthand for the .NET Framework Redistributable Installer . For nearly two decades, official standalone legacy packages (such as .NET 1.1, 2.0, or 3.5) were distributed under file names like dotnetfx.exe or dotNetFx40_Full_x86_x64.exe .