You will need to have IIS set up in order to do this. Start Programs and Features and click on Turn Windows features on or off in the left-hand side of the Programs and Features form. Ensure that Internet Information Services is selected. When you select IIS, click OK to turn the feature on:

You also need to ensure that you have installed the .NET Core Windows Server Hosting bundle, which will create a reverse-proxy between IIS and the Kestrel server. 

At the time of this writing, the .NET Core Windows Server Hosting bundle is available at the following link: 
https://docs.microsoft.com/en-us/aspnet/core/publishing/iis#install-the-net-core-windows-server-hosting-bundle

After installing the .NET Core Windows Server Hosting bundle, you need to restart IIS:

Open Command Prompt as administrator, type iisreset and press Enter. This will stop and then start IIS: