Variety of Computers, Dell, hp or lenovo, All in one Computers, Touchscreen computers, Core i3 Core i5 or Core i7 Processors. 4gb to 16gb Memory, Solid State Harddrve or Normal harddrive 1tb to 4tb. Nvidia graphics, Custom PC with Asus or MSI Motherboard, Cooling system, HD Graphics. Genuine Windows 7 or Windows 10.