Thank you for downloading Rhino.
Here are a series of Getting Started resources, that may help as you begin using Rhino.
Note: Videos produced with Rhino 6, in general, should work to learn modeling and rendering concepts equally as well as those produced in Rhino 7.
If you need help or have any specific questions, or need help installing Rhino e-mail Rhino Tech Support or see more support resource on our Rhino Support page.