Manual Installation - Ubuntu
help.ubuntu.com › C › manual-installTo install a .deb file, simply Right click on the .deb file, and choose Kubuntu Package Menu-> Install Package. Alternatively, you can also install a .deb file by opening a terminal and typing: sudo dpkg -i package_file.deb; To uninstall a .deb file, remove it using Adept, or type: sudo apt-get remove package_name