Book excerpt: Your trusted tour guide to macOS Sierra macOS is the engine that runs your Mac, so it's a good idea to know a bit about how it works. Fully updated to cover macOS Sierra, this long-time bestseller is the map you need to navigate Apple's operating system. Whether you're exploring macOS for the first time, looking for shortcuts to speed up common tasks, or trying to fix a common problem, macOS Sierra For Dummies provides easy-to-follow answers to all your questions. Written by Bob 'Dr. Mac' LeVitus, a well-known tech columnist and Mac expert, this hands-on guide offers how-to information on the classic elements that help run Macs as well as timesaving tips on working with all the major changes that come with Sierra. The book begins with a plain-English explanation of the basics of the macOS desktop and goes on to cover everything from finding files faster, making the most of organization and communication tools, getting your Mac on a network, adding music, movies, and books, and so much more. In short: life with your Mac is about to get so much easier and more efficient! Get acquainted with the newest and classic features of macOS Sierra Discover shortcuts for saving time when working on your Mac Learn how popular mobile tools like Siri and Apple Pay are now part of macOS Use the latest creative and productivity tools that come with Sierra Find helpful troubleshooting and safety tips With the help of this bestselling guide, you'll learn not only how to do it, but how to do it better on macOS Sierra.