GNU/Linux Debian Installing Oracle Virtualbox Guide
You are Welcome! The Tutorials Simply Shows You Step-by-step How to Install the Latest Oracle Virtualbox in Debian GNU/Linux Desktops.
And VirtualBox for Debian Extends the Capabilities of your existing Computer so that it can Run Multiple OSes (inside multiple Virtual Machines) at the same time.
Finally, Oracle VirtualBox is a general-purpose Full Virtualizer for x86 hardware, targeted at server, desktop and embedded use.