Dell Inspiron 17 17.3-Inch Laptop with Windows 7 Professional (Intel Gen 5 Core i7-5500U 4MB Cache up to 3.0GHz, 8GB DDR3 RAM, 1TB HDD, Tray load DVD +/-RW, Dual-Band 802.11AC WiFi, Bluetooth 4.0, Full Size Backlit Keyboard) Windows 7 Professional, 64Bit, English. Best Operation System for Business and Home Use. Intel Generation 5 Core i7 processor 5500U (4M Cache, 2.4 GHz Base Frequency, 3.0 GHz Turbo Frequency), 8GB Single Channel DDR3 1600MHz, 1TB 5400 RPM Hard Drive; 17.3 inch LED Backlit Display (1600 x 900), Intel HD Graphics 5500, Tray load DVD Drive (Reads and Writes to DVD/CD), Intel Dual Band Wireless-AC 3160 + Bluetooth 4.0, 40 WHr, 4-Cell Battery (removable), (1) USB 3.0 + (2) USB 2.0, HDMI, HD Webcam