How to get Stream Lines in RhinoCFD Lite

Try as I might, no matter how many times I watch the “simple” tutorial or choose Stream from the Viewer Options dialog, I cannot get RhinoCFD to display stream lines around an airfoil following the steps in the video tutorial (Stream was mentioned only briefly). I have the airfoil oriented at a radical angle to the flow to ensure that it should stall so that I can verify that the software is doing what it should: show the flow separation over the top surface of the airfoil.
Anyone have any ideas?

Well, this is embarrassing.
It was a case of “read the instructions, dummy!”
I finally followed the instructions to go from left to right in using the toolbar icons. It seemed counter-intuitive to me to run the Solver before adding the Stream probe. It works as advertised when the instructions are followed.

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