Find out how to get more out of Windows 8.1. Windows 8.1 Tips, Tricks & Shortcuts in easy steps reveals more than 800 useful tweaks and secrets that'll help you to run your PC more efficiently. Learn how to: Customize the interface to suit your needs Boost your PC's performance with simple tweaks Quicken Startup and Shutdown times Save time by keeping your files organized Keep your hard drive lean Quickly repair Windows 8.1 Give your PC a free tune-up...