What Is the Ubuntu Install DEB Process?
The installation procedure for Ubuntu .deb files allows you to install programs that are provided in .deb files. Ubuntu uses the Debian software distribution as its base system and therefore .deb files are a popular method of delivering software to Linux systems. Normally, you can use Ubuntu's GUI software installer and install the file after checking the details about it. Experienced users have the ability to install the file using terminal and by using appropriate commands. Missing dependencies may prevent the proper installation of the package. Only download .deb files from reputable software providers.
Also read - https://datarecovee.com/knowledge-base/install-deb-file-ubuntu/