2010 HP Compaq 8000 Elite Ultra-Slim Desktop - No OS

Pleas note: This is a recycled computer. Therefore it may be have marks, dents or other minor damage. Its operational condition will be detailed below.
 
2010 HP Compaq 8000 Elite Ultra-Slim Desktop in used but working condition. Intel Core 2 Duo E8500 3.16GHz. 4gb Ram. 120GB storage. DVD Multi Recorder, onboard sound, graphics, network and wi-fi.  Supports 2 monitors - 1x VGA and 1x Display Port. Comes with Windows 7 license key (On the side of the pc). No operating system installed.