Essential Mac OS: Sierra Editon

Whether you’re upgrading from a previous version or using a Mac for the very first time, this book will guide you through the Operating System one step at a time, to help you understand the software more quickly and easily! * Great for beginners, a basic computing class, or as an update. * Step-by-step, visual approach to help you quickly master your Mac * Plenty of full color, illustrated screenshots and photographs to help you * Presented in an easy and simple to read format, written in jar…