The bestselling tech book of all time, now updated for Windows 8 Microsoft Windows is the operating system that runs nearly 90 percent of the world's computers. Windows 8 will offer new interface updates, cloud-based services, and much more. This update of Andy Rathbone's bestselling Windows guide covers all the basics, plus the enhancements unique to Windows 8. Whether you're meeting Windows for the first time or upgrading from an earlier version, this book shows you how to