With Sierra, Apple brings never-before-seen features to macOS-like Siri voice control, file sharing across all your iOS devices, picture-in-picture mode for iTunes and Safari, and AI photo search. Once again, David Pogue brings his humor and expertise to the #1 bestselling Mac book.

Whether you...re a developer or a home-user, this guide offers a wealth of detail on Apple...s OS X 10.12 operating system, this new edition covers everything Sierra has to offer.

  • Perfect for newcomers. Get crystal-clear, jargon-free introduction to the Dock, the macOS folder structure, Safari, Mail, and iCloud.

  • Go in-depth. Learn how to use key new features such as Optimized Storage, the Universal Clipboard, Siri for Mac, and iCloud Drive Sync.

  • Get the full story. David Pogue doesn't stop at telling you how to use macOS features. He wants you to know why to use them-and how to avoid common pitfalls.