# vim /etc/abt-get/sources.list
> # Manual entry
> deb https://download.virtualbox.org/virtualbox/debian stretch contrib
# wget -q https://www.virtualbox.org/download/oracle_vbox_2016.asc -O- | sudo apt-key add -
# wget -q https://www.virtualbox.org/download/oracle_vbox.asc -O- | sudo apt-key add -
# apt-get update && apt-get install apt-transport-https virtualbox-6.0
DOCUMENTATION
• User-Manual (online) : virtualbox.org/manual/UserManual.html
• User-Manual (pdf) : download.virtualbox.org/virtualbox/UserManual.pdf
SOURCES
• Homepage : virtualbox.org
• Extension-Pack : download.virtualbox.org/virtualbox/6.0.0/Oracle_VM_VirtualBox_Extension_Pack-6.0.0.vbox-extpack