Ubuntu 14.04 - 'Trusty Tahr' - includes spectacular changes to the Canonical-developed Unity user interface. Newest Full-version Ubuntu offering - 14.04 - Released April 17, 2014. Use as Live Boot Disc or use to install on a hard drive. Free updates, including security and application updates. Free Application library available to extend the operating system features. ---- Includes and easy-to-follow installation guide, complete with screenshots ----.