Ubuntu its free and with no activation.

Below a review the latest release, Ubuntu 12.04


We recommend Ubuntu 10.10

Fast Free and Easy to install no need for a Licence Number ..
Give it a try, you will not regret it.

Information on how to make a bootable Disk for Ubuntu.
Ubuntu Dowload Centre

Usefull links.

Epson printer Drivers http://avasys.jp/eng/service/

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.

See what Ubuntu can do for you.