DELL OPTIPLEX 3010 I3-3225 3.3GHZ 4GBRAM 500GBHDD WIN10PRO. I have cleaned and tested this PC and added new thermal compound, but I do offer 30-day returns in case something goes bad or breaks in shipping. this desktop has a card reader installed Aswell. when you first start the PC, it will prompt you to set up windows 10 with your email/info. To activate windows, use the activation code located on the sticker on the top of the desktop.