The Dell Optiplex 960 desktop PC delivers powerhouse computing that's ideal for everyone. The Dell Optiplex 960 comes with a INTEL Core 2 Duo 3000 MHz processor, and the Genuine Windows 7 Professional Operating System along with word document, spreadsheet application & a shortcut to Microsoft Free virus protection. This desktop computer also includes 4096mb of DDR2 memory, a 80Gig Serial ATA hard drive, DVD ROM optical drive and a keyboard / mouse. This desktop comes fully loaded with Microsoft Windows 7 Professional! This package will arrive with a restore partition and has been recently restored with Windows so you will be the first to use it. The restore partition will allow you to restore your computer back to the original state of purchase at any time and prevent expensive trips to the computer repair shop. This desktop has also been updated with a list of additional programs to compliment Microsoft Windows 7 Professional. Included is a Microsoft compatible Office program which provides word processing, spreadsheets, presentations, graphics, database software and more. It also comes with a shortcut to Microsofts Free Anti-Virus program along with Windows Media Player, Internet Explorer (Internet Browser), DVD viewing software and many other great Windows programs and features.