how to install a .deb code example
Example 1: install deb file
sudo dpkg -i /path/to/deb/file
sudo apt-get install -f
Example 2: how to install .deb file ubuntu
sudo dpkg -i package_file.deb
Example 3: install deb file in ubuntu
sudo apt install path_to_deb_file
Example 4: install ubuntu deb
#install downloaded .deb
sudo dpkg -i /path/name.deb
#install packages
sudo apt install package_name