Long time ago, I tried Linux LiveCD. Then I liked it. So, from then on, I tried to run Linux on VirtualBox. However, running Linux on VirtualBox requires a lot of memory, and it is not a real OS, the feeling is so bad. Until one day, I came to Wubi Installer, this is really great, computer with a dual boot without losing Windows. Wubi is for Ubuntu, and mint4win is for Linux Mint.