In the Create with VR course, you are provided with a "Starter Project" that is already configured with the packages and settings required to quickly get started working on your Project. If you are interested in understanding more about what goes into setting up a project for VR, starting with a typical 3D scene in Unity, this will provide step-by-step instructions for doing so.

https://learn.unity.com/tutorial/create-a-vr-starter-project-from-scratch