Dell OptiPlex 760 Desktop Complete Computer Package with Intel Core 2 Duo 2.8 GHz - 8GB RAM - 250GB HDD- DVD ROM- Windows 7 Pro 64-Bit - Keyboard, Mouse + Two 19 Inch Dell Monitor + WiFi Operating System: Windows 7 Pro 64 Bit Comes with a free WIFI USB ADAPTER To Allow Wireless Internet Use The premier OptiPlex 760 is Dell's most powerful and flexible desktop solution designed for best-in-class performance and collaboration, while enabling business-class control. It delivers premier technology that helps simplify systems management and security that blend seamlessly into office environments/ Home use