This Lenovo ThinkPad T420s laptop is installed with a brand new Genuine copy of Windows 10 with license and Certificate of Authenticity (COA). Intel Core i5 2.50GHz processor and DVD drive. It includes a 14.1" LED Display, AC Adapter, Charger, and battery. The ThinkPad T420s also includes 802.11b/g/n wireless WiFi, Two USB 2.0 ports, One USB 3.0 port, VGA out, DisplayPort, speaker and headphone combo jack, 4 in 1 memory card reader port, ExpressCard/34 slot, and 10/100/1000 Gigabit ethernet.