Here, we will create a new stand-alone Web API project without MVC project.
For this, open Visual Studio 2019 for Web -> go to File menu and select New Project.. This will open New Project popup as below.
Select Web template in the left pane and ASP.NET Web Application in the middle pane. Enter a name of the project, location and Solution name as shown above. Clicking on OK will open a popup as shown below.