DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:C:\temp
dism /Get-ImageInfo /ImageFile:C:\temp\netfx3.cab /Index:1
The process will show a progress bar from 0% to 100%. It typically takes 2–5 minutes. You may see a message: The operation completed successfully.
If you manage multiple computers (e.g., in a school, hospital, or office), the CAB file allows you to deploy .NET 3.5 without downloading 200+ MB per machine.
The operation completed successfully. Restart Windows to complete this operation.
microsoft-windows-netfx3-ondemand-package.cab
C:\temp\microsoft-windows-netfx3-ondemand-package.cab
In the context of the .NET Framework 3.5, the CAB file contains the actual binary payload required to enable the feature. Unlike the full offline installer (which is a large executable), the CAB file is a lightweight package intended for injection into the operating system via the Deployment Image Servicing and Management (DISM) tool.
dism /online /Add-Package /PackagePath:C:\temp\netfx3.cab /LimitAccess /IgnoreCheck
Keywords: .NET Framework 3.5 CAB file, install .NET 3.5 offline, DISM NetFx3, microsoft-windows-netfx3-ondemand-package.cab, Windows 10 .NET 3.5 offline