Windows Setup

Back to Day 0

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Node.js

1. Go to nodejs.org
2. Click the "Download Node.js (LTS)" button -- this downloads the .msi installer
3. Run the .msi file and click Next through the wizard
4. Accept the defaults, click Install, wait for it to finish

Verify Node.js

Open a new terminal (PowerShell or Windows Terminal) and run:

node --version
npm --version

Install Claude Code

npm install -g @anthropic-ai/claude-code

Permission Error?

If you get a permission error, run your terminal as Administrator (right-click > Run as administrator).

Verify

claude --version

Next Step

Head back to Day 0 for authentication setup.