further clarification

Author: ghogen

docker/tutorials/your-application.md

@@ -20,7 +20,9 @@ At this point, your development team is quite small and you're simply building a
 
 ## Get the app
 
-Before you can run the application, you need to get the application source code onto your machine. For real projects, you will typically clone the repo. But, for this tutorial, you have created a ZIP file containing the application.
+Before you can run the application, you need to get the application source code onto your machine. For real projects, you will typically clone the repo. But, for this tutorial, we have created a ZIP file containing the application.
+
+1. Make sure that you have Docker for Windows or Docker Community Edition installed on the local machine. See [Docker for Windows installation documentation](https://docs.docker.com/docker-for-windows/install/). The install process makes the ZIP file containing the sample available at the localhost address.
 
 1. [Download the ZIP](http://localhost/assets/app.zip). Open the ZIP file and make sure you extract the contents.