Windows 7
My PC has Windows 7, 8gb ram, an intel i5 4670 and Nvidia GeForce GTX 660 graphics card, corsair 650w PSU, and 256mb solid state drive as well as some other western digital hard drives. It's around 3 years old at this point.
Recently I swapped my old 19" 4:3 monitor (I know, I know, but I liked...