If you are looking for official software or libraries rather than specific student files:

: You can download the latest version (e.g., Corona 13 or 14) from the official Chaos website . A 30-day free trial is available.

: For offline installation, you can download the Material Library directly from Chaos support.

: A common "Lecture 3" focuses on rendering a kid's room or bedroom using 3ds Max and Corona Renderer.

: Some comprehensive guides use Lecture 3 as a "Certification Overview" or a guide on "How to Use This Course". Official Downloads and Resources