Can we create AR Desktop Application in Unity?

I am trying to create an AR animation in unity. I am going to use DSLR camara. I searched to create a desktop application for this. but could not found any solution. I have created a sample project and build a desktop application. but its not working. I think i am missing something. I could not found how to make this possible. i am not creating an application to run on android or ios. any solution for this??