$ sudo apt-get update
$ sudo apt-get install kpart5-kompare 

kpart5-kompare is installed in your system.

Make ensure the kpart5-kompare package were installed using the commands given below,

$ sudo dpkg-query -l | grep kpart5-kompare *

You will get with kpart5-kompare package name, version, architecture and description in a table

kpart5-kompare package basic information: