Book excerpt: Customizing macOS High Sierra is the 6th book in the best-selling Customizing macOS series. This new edition is better than ever with over 500 fantastic tweaks, hacks, secret commands, and hidden features to completely customize your macOS user experience. Hundreds of illustrations help guide you in personalizing your macOS user experience. Learn how to completely personalize your Mac, fine-tuning every aspect of macOS to transform how you interact with it, make your Mac more closely match your person computing style, and help you become more productive and efficient. Learn how to tinker and tweak macOS, bending it to your every will to squeeze every last drop of performance out of your Mac. You don't need to be an Apple genius to customize macOS. Learn how you can safely and quickly customize and personalize macOS Sierra. Why customize macOS? Well, because you can. It's that simple. Customer Reviews of Customizing macOS: "Mac should offer a coupon/description/order voucher for this book in the box when selling new computers that runs this os! Especially helpful when changing from PC's to Mac." "I am new to Apple products so I needed a book to help understand the operating system. Good read and gives simple, clear explanations as to what is going on." "Very well written and for a rank noob like me great tricks." "I like this book. It is very good for Mac users just getting into Macs and don't know too much about them." "Great book...really enjoyed learning about all the ways I can customize my MacBook Pro!" "Good to have on hand. Lots of information." "Great book. Highly recommend."