Ubuntu is gnu/linux base operating system and the only linux distro that widely publicize, although it is not the popular distros among linux user.
Their community are very active improving Ubuntu so it can be very user friendly. Ubuntu is free and you can download at www.ubuntu.com
Alternatively you can install Ubuntu using Wubi (Ubuntu installer for Windows) in your Windows Os, and uninstall it like others application. That is if you don't like it.
Download Ubuntu at www.ubuntu.com
Their community are very active improving Ubuntu so it can be very user friendly. Ubuntu is free and you can download at www.ubuntu.com
Alternatively you can install Ubuntu using Wubi (Ubuntu installer for Windows) in your Windows Os, and uninstall it like others application. That is if you don't like it.
Download Ubuntu at www.ubuntu.com