Linux Mint KDE Edition

http://linux.softpedia.com/get/System/Operating-Systems/Linux-Distributions/Linux-Mint-KDE-Edition-25946.shtml#download

Linux Mint KDE Edition is an open source and free distribution of Linux, a special edition of the well known Linux Mint operating system that uses KDE Plasma as its default and only operating system, providing a modern and productive OS.

Distributed as 64/32-bit Live DVDs

The KDE edition of Linux Mint is a community project that can be downloaded from Softpedia or the official Linux Mint website as two Live DVD ISO images, one for each of the supported hardware platforms (64-bit and 32-bit). Please note that you must deploy these ISO images to either DVD discs or USB sticks in order to boot them from the BIOS of a PC