!!better!! | Download Microsoft-windows-netfx3-ondemand-package.cab

No. Multiple .NET versions run side-by-side. Applications request the version they need.

Yes. Microsoft changes the internal feature manifest every major release. Always source from a matching ISO. Conclusion: Keep a Local Copy for Emergencies The Microsoft-Windows-NetFx3-Ondemand-Package.cab is a lifesaver for IT professionals and developers who work with legacy software. Instead of wrestling with Windows Update errors, you can deploy .NET 3.5 offline in under two minutes. Download Microsoft-windows-netfx3-ondemand-package.cab

$source = "\\server\share\sxs\microsoft-windows-netfx3-ondemand-package.cab" Enable-WindowsOptionalFeature -Online -FeatureName NetFx3 -Source $source -LimitAccess -All The -LimitAccess flag prevents fallback to Windows Update. Conclusion: Keep a Local Copy for Emergencies The

After a clean Windows installation, before joining a strict corporate domain, extract this .cab from your installation USB and save it to C:\Windows\Temp\ . That way, even if your IT department later blocks external updates, you already have the file locally. After a clean Windows installation

Usually not. But if you must: dism /online /remove-package /packagepath:...