Open the Claude desktop app, pick a folder, and ask for what you want in plain English. That’s it — three steps, and AI is reading, writing, and fixing files on your own computer. No terminal. No black window. We mention the terminal exists near the end, but installation, every operation, and every exercise happen entirely inside the app. This course uses the desktop app as it exists in August 2026. Every screen is shown as a labeled diagram walking through exactly what to click and why — so if the app’s look changes after you enroll, you’ll know how to find your way by what each screen does, not by memorizing where a button used to sit.
By the end of this course, you’ll be able to:
- Install the desktop app, sign in, and open your own folder from the Code tab
- Understand exactly what you’re granting when you trust a folder — and decide when not to
- Point the AI at the exact file you mean, instead of hoping it guesses right
- Stop a run, undo it, or start fresh, on command
- Switch permission modes to balance how often you’re asked against how much runs automatically
- Use plan mode to see the plan before anything gets changed
- Write a CLAUDE.md file so you stop repeating the same instructions every session
- Read your usage screen so a spike in cost never surprises you






