In the “Create New ASP.NET Core Web Application” window, select .NET Core as the runtime and ASP.NET Core 3.1 (or later) from the drop-down list at the top. I’ll be using ASP.NET Core 3.1 here.

Creating a New ASP.NET Core Web Application in Visual Studio When you click on OK, the window appears shown in Figure 2 appears. [Click on image for larger view.] Figure 2. Preparing the Project ...