: Deploying .NET 3.5 across multiple machines using scripts.
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. Download Microsoft-windows-netfx3-ondemand-package.cab
Download Microsoft-windows-netfx3-ondemand-package.cab : Deploying
Microsoft does not provide a direct standalone web download for this specific .cab file. Instead, you obtain it by: before joining a strict corporate domain
(Version matching your OS) from Microsoft: