Setup & the AI-First Mindset

# macOS, Linux, or Windows (WSL)
curl -fsSL https://claude.ai/install.sh | bash

# Prefer npm? (requires Node.js 18+)
npm install -g @anthropic-ai/claude-code

claude --version
claude doctor   # deeper check of install + configuration
claude          # start in any project folder; follow the browser prompt

mkdir -p module-01
{ python3 --version; node --version; git --version; } > module-01/environment.txt