The author provides a comprehensive, step-by-step guide to developing a modern React application using GitHub Copilot and Copilot Chat within Visual Studio Code. The tutorial walks readers through setting up the project, creating login and registration forms, implementing authentication via an API, and adding features like a dashboard, sidebar navigation, and trip management. Throughout the process, the author demonstrates how Copilot's AI-powered suggestions can streamline development, assist in resolving errors, and enhance the overall coding experience.