Full Claude Code Guide

A beginner’s practical setup for turning Claude into a real AI worker

Full Claude Code Guide

TL;DR

  • Claude Code enables AI to work within real folders, read existing content, and understand connections.
  • This allows AI to make changes, run tools, check results, and remember information for ongoing work.
  • Anthropic released Opus 5.5 and Sonnet 5.5, with Sonnet 5.5 being faster and potentially cheaper.
  • Using these models within Claude Code allows users to give AI actual work like files, research, apps, or projects.
  • The guide covers installation, setup, model selection, memory, Plan Mode, context, Skills, subagents, MCP, review, Hooks, and automations.