Pre-installed DOS with Ram Upgradation at Rs 500 / GB & HDD Upgrade at Rs 300 / 100 GB. Preloaded with essential software needed. Pre-installed PDF Reader, Flash Player, Google Chrome Browser -Pre-installed application does not come with application cd/dvd nor operating system disc. -All computers will be tested for functionality before shipping. All computers are cleaned and sanitized with sanitizing wipes (external only). INCLUDED 1 Used Dell Optiplex 745 Desktop (small form factor) 1 Used Dell Usb Keyboard 1 Used Power Cable 1 Used Molex Cable splitter.