Choose Kubuntu 9.10 64bit Live CD 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.

About Kubuntu

Kubuntu is a free, user-friendly operating system based on KDE's desktop software 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.