To make VirtualBox VM full screen in Windows 11/10, you have to install VirtualBox Guest Additions on the Virtual Machine. Follow the below-listed steps to install it.

Jack Wallen shows you how an unattended installation of Linux with VirtualBox 7.0 can make your virtual machine deployment even easier.

Recently, learned that you can basically run Windows 10 without registration forever. So that's perfect for the relatively infrequent testing I need to do, so I installed it on a VM in Virtualbox ...