As a professional musician and knowledge worker, the author optimizes their Mac experience for productivity by simplifying visual clutter, reducing distractions, and maximizing screen real estate. They use various apps and tools to streamline their workflow, including keyboard shortcuts, desktop cleanups, window management, and browser optimization. By implementing these tweaks, they aim to improve their concentration, reduce time loss due to unnecessary mouse movements, and increase overall productivity. The author encourages readers to take a minimalist approach to their Mac setup, focusing on the essential tools and features that support their work style.