Lilly Tech Systems
Learn GitHub Copilot Chat
Master AI-powered chat inside VS Code. Learn to generate code, debug errors, write tests, and streamline your workflow — all through natural language conversation.
Your Learning Path
Follow these lessons in order, or jump to any topic that interests you.
1. Introduction
What is GitHub Copilot Chat? Understand chat modes, slash commands, participants, and context variables.
2. Setup & Install
Install the extensions, sign in with GitHub, configure settings, and open your first chat panel.
3. Basic Usage
Use the chat panel, inline chat, quick chat, and learn to provide context with participants and variables.
4. Code Generation
Generate functions, tests, documentation, boilerplate, APIs, and entire project scaffolds.
5. Debugging & Fixing
Explain code, fix bugs, understand errors, optimize performance, and detect security issues.
6. Advanced Features
Custom instructions, multi-model support, agent mode, Copilot Edits, vision, and extensions.
7. Best Practices
Write effective prompts, manage context, handle privacy, integrate into team workflows, and avoid pitfalls.
What You'll Learn
By the end of this course, you'll be able to:
Chat with Your Code
Ask questions, get explanations, and have natural conversations about your codebase directly inside VS Code.
Generate Code Instantly
Create functions, tests, docs, and entire project scaffolds from plain English descriptions.
Debug Like a Pro
Use /explain and /fix to understand complex code, squash bugs, and improve performance.
Master Advanced Workflows
Leverage agent mode, multi-file edits, custom instructions, and multi-model support.