Ubuntu 13.04 Desktop 32-bit

Super-fast, easy to use and free, the Ubuntu operating system powers millions of desktops, netbooks and servers around the world.

Ubuntu does everything you need it to. It'll work with your existing PC files, printers, cameras and MP3 players.

And it comes with thousands of free apps.

http://www.ubuntu.com/

http://distrowatch.com/table.php?distribution=ubuntu