In the majority of cases, working in a guest OS with low resolution is not comfortable. Moreover, the size of that window is usually not big, and if you maximize the window’s size, the resolution of the guest OS user interface is left the same. By Michael Bose How to Make VirtualBox Full Screen: A Comprehensive GuideĪfter installing a guest operating system (OS) on VirtualBox, the interface of the guest OS is displayed in a windowed mode by default.
