how to install .deb in kali linux code example
Example 1: install ubuntu deb
#install downloaded .deb
sudo dpkg -i /path/name.deb
#install packages
sudo apt install package_name
Example 2: install *.deb file in ubuntu
Install a downloaded program in Ubuntu - Linux
sudo dpkg -i package_file.deb
//or
sudo apt install path_to_deb_file