What makes Windows refugees decide to get a Mac? Enthusiastic friends? The Apple Stores? Great-looking laptops? A "halo effect" from the popularity of iPhones and iPads? The absence of viruses and spyware? The freedom to run Windows on a Mac? In any case, there’s never been a better time to switch to OS X—and there’s never been a better, more authoritative book to help you do it. OS X Yosemite: The Missing Manual is the #1 bestselling Mac book on earth.