Open Terminal
Go to the folder containing the .deb file
Run `sudo apt install ./package-name.deb`
Enter your password if prompted
Wait for the installation to finish
If needed, fix missing dependencies with `sudo apt –fix-broken install`
Open Terminal
Go to the folder containing the .deb file
Run `sudo apt install ./package-name.deb`
Enter your password if prompted
Wait for the installation to finish
If needed, fix missing dependencies with `sudo apt –fix-broken install`