The Unity UI workflow, being far less programmer centric than Unity's previous effort--,the infamous OnGUI, is highly editable inside the editor; let's take a look.
Load Unity, assuming it is not already running. Also, select the HoloLens Beginner Guide from the project list.
Once loaded, it should look similar to this:
Let's add a UI element so that we can see how it all works. Click on GameObject in the main menu. Scroll down to UI and select Button:
When this is accomplished, you should note a few new things. First, we now have ...
