ZevenOS Neptune 4.3
http://neptuneos.com/en/
ZevenOS Neptune is an open source distribution of Linux based on the world’s most popular operating system, Ubuntu, and built around the modern and productive KDE Plasma desktop environment, which uses a very attractive theme and layout.
Available for download as a dual-arch Live DVD

The user can download this Ubuntu-based operating system via Softpedia or directly from the project’s official website as a dual-arch Live DVD ISO image of approximately 2GB in size, designed from the ground up to support both 64-bit and 32-bit computers, which must be writte on either a DVD disc or a USB stick.
Boot options