Your shiny new iMac or trusty old MacBook both rely on macOS to help you get things done. It helps to have an equally reliable guidebook to steer you through the tasks and steps that make macOS run efficiently. This fun and friendly guide provides the direction you need to easily navigate macOS. Longtime expert Bob "Dr. Mac" LeVitus shares his years of experience to help you better understand macOS and make it a timesaving tool in your life.