Part 3: Environment set-up
Lesson 3.2Track A 12 min
Claude sessions and permissions
Learn what a session is, how Claude Code's permission modes work, when to approve once or always, and what Claude will always leave to you.
- The full lesson, step by step, for Windows and Mac
- 1 copy-paste prompt that makes the agent do the work
- A checklist, and the fixes for what usually goes wrong
- Your progress saved as you go