this page might help you,
click on the arm64 binary. the .deb file
https://launchpad.net/ubuntu/xenial/arm64/synaptic/0.83
use your package installer to install [gdebi]
read this page for help,
https://unix.stackexchange.com/questions...-or-by-apt
click on the arm64 binary. the .deb file
https://launchpad.net/ubuntu/xenial/arm64/synaptic/0.83
use your package installer to install [gdebi]
read this page for help,
https://unix.stackexchange.com/questions...-or-by-apt