The always friendly reminder. The Press Start course is not super beginner friendly, it’s actually a bit complex and more like a tech demo. If you want to start from the very beginning, you can watch the Blender Basics and then the Modeling Fundamentals:
https://cgcookie.com/courses/blender-basics-an-introduction-to-blender-4-x
https://cgcookie.com/courses/core-fundamentals-mesh-modeling