Kubuntu 14.04 LTS Trusty Tahr the latest long term support version of Kubuntu. it’s based on Canonical’s Ubuntu Linux, with version 4.13 of the KDE platform.
Kubuntu 14.04 LTS shiped with KDE 4.13.0 desktop environment and Linux kernel 3.13.0. Dolphin 4.13.0 is the default file manager. Also included mozilla firefox 2.8 as the default web browser and LibreOffice 126.96.36.199 as the default office suite including Base and Math.
Kubuntu 14.04 LTS Trusty Tahr can downloaded from their official website or you can download through link below: