sudo dpkg -i package_file.deb
1. To install a .deb file, simply Right click on the .deb file, and choose Kubuntu Package Menu->Install Package.
2. Alternatively, you can also install a .deb file by opening a terminal and typing:
sudo dpkg -i package_file.deb
3. To uninstall a .deb file, remove it using Adept, or type:
sudo apt-get remove package_name
sudo apt install path_to_deb_file
#install downloaded .deb
sudo dpkg -i /path/name.deb
#install packages
sudo apt install package_name
Install a downloaded program in Ubuntu - Linux
sudo dpkg -i package_file.deb
//or
sudo apt install path_to_deb_file