Choose this to take full advantage of computers based on the AMD64 or EM64T architecture (e.g., Athlon64, Opteron, EM64T Xeon, Core 2). If you have a non-64-bit processor made by AMD, or if you need full support for 32-bit code, use the Intel x86 images instead. Kubuntu 10.04 is the first long-term support release featuring the KDE Plasma desktop. The selection of tools and applications will provide you with all that you need for most of your tasks, with many more available just a few clicks away. Whether browsing the web, playing your music, composing an email or connecting with your friends on social networks, Kubuntu 10.04 LTS brings you a stable, innovative and attractive platform for all your desktop needs.
Kubuntu is a free, user-friendly operating system based on the K Desktop Environement and on the award winning Ubuntu operating system. With a biannual release cycle and at least 18 months of free security updates for each release, it is the secure, stable computing environment you've been waiting for. Its community-driven development and pervasive availability are grounded in the concept of "humanity to others."