Ubuntu 10.04 64bit Alternate CD May provide additional capabilities for computers that are able to use 64-bit software. 10.04 LTS continues Ubuntu's proud tradition of integrating the latest and greatest open source technologies into a high-quality, easy-to-use Linux distribution. Ubuntu 10.04 64bit CD can be used only with 64bit machine.
Ubuntu is an operating system built by a worldwide team of expert developers. It contains all the applications you need: a web browser, office suite, media apps, instant messaging and much more.