In this recipe, we are going to install framework 3.5 on Windows Server 2016. By default, IIS 10.0 has framework version 4.0. We will install the lower version of the framework, which supports web applications with .NET framework versions 2.0 through 3.5.
For example, if you have a web application you created a few years back and it was developed in the v2.0 .NET framework, you can use this recipe in order to make it run on IIS 10.0. Let's begin.