Installing .deb files to install files in Ubuntu requires a few extra steps. You have to use the Glebi Package Installer to install programs in Ubuntu. It is very simple.
Note: Log in as a root or administrator account.
1. Double click or right click the .deb fileÂ and pick Open with “Glebi Package Installer”.
Â 2.Â Click Install Packages Button on Package installer window.
3. you need to enter your user password. The installation will now begin.