Installing Windows features (most commonly .NET 3.5 or .NET 2.0) on a Windows 8, 8.1, 10 or Windows Server 2012 (R2) machine, generally requires you to be connected to the internet so that Windows can download the source files from Windows Update. But what happens when you don’t have internet access or if you are sitting behind a proxy and Windows Update is configured to point to WSUS or SCCM?
This post explains various ways to manually specify the source files in order to install the new Windows Feature. You will also learn how to configure the default source file path, so that all future Windows Features will install without any additional user involvement.