Dell i3542-6003BK Touch Screen 15.6 Intel Core i3 4GB 500GB HD Win 8.1 HDMI 4th Gen Intel CoreTM i3-4030U processor 4GB DDR3L memory; 500GB hard drive Multiformat DVDRW/CD-RW drive with double-layer support Built-in 1.0MP high-definition webcam with digital microphone Microsoft Windows 8.1 64-bit operating system or window 7 professional and xl business