On the 31/12/2018 Virtualbox 6 was released.
The settings I have been using all the time on Virtualbox 5 are all the same EXCEPT ONE.
I learned it the hard way and I want you to save the time with this article.
Make sure you set the graphics controller to VBoxVGA
VMSVGA is what Virtualbox will set as standard.
VMSVGA is VMware’s SVGA II graphics adapter. If not changed you will end up in a very small window.
In the video I will also explain my workflow.
It lets you make copies or clones so you can go back at any time and restart again.