MacBook Mastery is a structured guide for users who want a more organized and efficient macOS experience. This book focuses on practical system management using built-in macOS tools and features. It covers performance optimization, privacy awareness, workflow improvement, and long-term maintenance without unnecessary technical complexity. Inside you will find clear step-by-step instructions for: • Managing startup and background processes • Improving battery health and storage efficiency • Adjusting privacy and security settings responsibly • Using keyboard shortcuts and automation tools • Maintaining system stability over time The approach is practical and structured. The goal is not to modify macOS beyond recognition, but to help you understand and use your Mac more intentionally. No advanced technical knowledge is required. This is an independent guide and is not affiliated with Apple Inc.