The Refurbished Dell Optiplex GX620 desktop PC delivers powerhouse computing that's ideal for everyone. The Refurbished Dell Optiplex GX620 comes with a Intel Pentium 4 2800 MHz processor, and the Genuine Windows XP Professional Operating System along with word document, spreadsheet application & a shortcut to Microsoft Free virus protection. This desktop computer also includes 2048mb of DDR2 memory, a 40Gig Serial ATA hard drive, DVD ROM optical drive and a NEW keyboard / mouse. This desktop comes fully loaded with Microsoft Windows XP Professional! This package will arrive with a New Installation CD and has been recently restored with Windows so you will be the first to use it. The Installation CD 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 XP Professional. Included is a Microsoft compatible Office program which provides a Word Processor, Spreadsheet program, Database program and Presentation software. It also comes with an Anti-Virus program along with Windows Media Player, Internet Explorer (Internet Browser), Outlook Express (Email), DVD viewing software and many other great Windows programs and features.