Net Framework 3.5 Offline Install Jun 2026

: The file needed is typically named microsoft-windows-netfx3-ondemand-package.cab .

DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:D:\sources\sxs net framework 3.5 offline install

There are two methods to install .NET Framework 3.5 offline: net framework 3.5 offline install

“This application requires .NET Framework 3.5.” net framework 3.5 offline install

DISM (Deployment Imaging Servicing and Management) copies the .NET 3.5 CAB files directly from your installation media ( sources\sxs folder) without ever touching the internet.