HP Business Class 15.6-Inch Laptop (1.7 Ghz, 4GB DDR3 RAM, 500GB HDD, Windows 7 Professional) Complete business tasks with Intel technology, essential multimedia tools and the durable chassis that helps protect the 4.8 lbs laptop from the rigors of the day! Windows 7 Professional English 64-bit pre installed on laptop through Downgrade Right. Windows 8.1 Pro License included; Eligible for free upgrade to Windows 8 Pro or Windows 10 Pro at Your Choice; SuperMulti DVD-RW, Webcam, Reliable and Mature Wireless LAN 802.11b/g/n Connectivity, Bluetooth 4.0, Full-size island-style with numeric keypad Keyboard (non-backlit); 1 x HDMI, 1 X VGA, 1 X USB 3.0, 2 X USB 2.0, Digital Media Reader, Slot for Kensington Security Lock Intel Core i3 4005U, 4 GB 1600 MHz DDR3L Memory (4X1, 1 user accessible slot) , 500 GB Hard Drive, 15.6" HD SVA anti-glare flat LED-backlit display (non-touch), Intel HD Graphics 4400;