Microsoft Windows Professional 8.1 Full Version 32/64-bit Edition gives you the power to quickly browse, watch movies, play games, polish your resume and pull together a killer presentation all on a single PC. Multitasking just got a whole lot easier because now you can organize up to three apps on your screen at once in a single view. Personalize your start screen with your favorite news, friends and apps. With customizable colors and backgrounds and four different sizes of tiles, you can make your device as unique as you want. Touchscreen optimization allows you to personalize the way the system responds at the touch of a finger. The iconic Microsoft Windows operating system, professional version, is for PC systems and comes on CD for your convenience and security.