Enable-WindowsOptionalFeature -Online -FeatureName "NetFx3" -All -LimitAccess -Source "C:\temp"
This article explains what this file does, where to find it, and how to install it properly. Microsoft-windows-netfx3-ondemand-package.cab Download
: Search for "Turn Windows features on or off" in the Start menu and check the box for .NET Framework 3.5 (includes .NET 2.0 and 3.0) Via Command Line (Online) DISM /Online /Enable-Feature /FeatureName:NetFx3 /All ``` Use code with caution. Copied to clipboard Microsoft Learn DISM command tailored to a particular Windows version or Server edition? Can not install dotNet 3,5 on Windows Server 2012R2 Can not install dotNet 3,5 on Windows Server
: Support older enterprise applications that haven't been updated to newer .NET versions. Can not install dotNet 3
Microsoft-windows-netfx3-ondemand-package.cab is an essential component for Windows administrators needing to deploy .NET Framework 3.5 in offline or automated scenarios. Proper acquisition from official media or the Microsoft Update Catalog, combined with DISM-based installation, ensures compatibility, security, and reliability.