Understanding when to use the CAB file instead of the standard .exe installer is crucial:
A .cab file, short for Cabinet file, is a compressed archive file format used by Microsoft. It's similar to a ZIP file but has some unique features that make it suitable for deploying software packages. .cab files are used to package and compress files, making them easier to distribute and install. cab file for .net framework 3.5
dism /Get-PackageInfo /PackagePath:C:\temp\microsoft-windows-netfx3-ondemand-package.cab Understanding when to use the CAB file instead
The legacy software bloomed to life on the screen. The .cab file had done its job—a small, compressed bridge between the modern operating system and the software of a previous decade. "Install Roles and Features" → Specify
You have a Windows PC without internet, or you want to deploy .NET 3.5 to many machines quickly without each one downloading from Microsoft.
"Install Roles and Features" → Specify .NET 3.5 → Source path points to CAB folder.
The DISM operation usually completes within a few minutes. If it hangs at a certain percentage (e.g., 65.1%), do not force close it. However, if it's stuck for over an hour, you may need to restart the DISM service.