Run the following command to target the local operating system image and point it to your package file: powershell
This CAB contains the binaries required to install .NET Framework 3.5 (which includes 2.0 and 3.0) without downloading from Windows Update.
Open the virtual drive and go to the \sources\sxs\ folder. cab file for .net framework 3.5
The most reliable source for .NET 3.5 CAB files is the Windows Installation ISO or USB drive. These files are pre-installed in the source folder but must be enabled manually.
This is the standard method for enabling the feature using a local CAB source. Run the following command to target the local
Unlike the full redistributable executable (which is a self-extracting archive), the CAB files allow for targeted deployment via Command Prompt or PowerShell without requiring the target machine to download files from Windows Update.
DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /Source:C:\Temp /LimitAccess These files are pre-installed in the source folder
Performs the action on your running operating system. /Enable-Feature: Enables a specific Windows feature.
A cabinet (CAB) file is a compressed library containing the payload files needed to enable Windows features. For .NET Framework 3.5, the specific file is typically named microsoft-windows-netfx3-ondemand-package.cab .
If you do not have installation media, Microsoft provides standalone installers that handle the process for you: Official .NET Framework 3.5 SP1 Download : Includes the web and full offline installers. Microsoft Download Center