With Ubuntu 10.10, Canonical also released a new font – the Ubuntu font. The font was designed by world-renowned font designer Dalton Maag and it has got rave reviews. The font is available for free and everyone – including Windows and Mac users - can use it.
First you need to download the font. You can download it for free from the link given below.
Then simply drag and drop the files Ubuntu-B, Ubuntu-BI, Ubuntu-I and Ubuntu-R into the fonts preview.