Microsoft-windows-netfx3-ondemand-package.cab -extra 'link' Jun 2026

The file microsoft-windows-netfx3-ondemand-package.cab is a Windows package used to install .NET Framework 3.5 (which includes versions 2.0 and 3.0) on Windows 10, Windows 11, and Windows Server. While modern versions of Windows come with .NET Framework 4.x pre-installed, many legacy applications still require the older 3.5 runtime to function.