Hey Bub,
You watch their video tutorials one by one, starting with “The Basics”? I think that’s a secure way to aquire the knowledge.
But usually as with all learning, you got to practice while learning. You cannot learn just in theory, because that’s not how the human brain works. When following the tutorials, I would execute what is shown. As long as you don’t have your machine there, it consists of doing with the software what is shown. If it’s about the CAD part = creating your virtual objects, I don’t know how good VCarve Pro is, as they sell Aspire for more 3D creation capabilities. I would always learn the CAD part (= creating 2D and 3D objects) first, and separately, e.g. with Blender as linked above. Blender is free and open and has excellent tutorials.
Regarding creating the CAM part = creating the toolpath, for the milling step, which you can only execute on your machine, so of course real progress may only come when you have your machine.
I would read the docs and the FAQs though while waiting for the machine.