The reason you can’t change the Windows 11 resolution in VirtualBox is that the virtual machine lacks the proper graphics drivers to communicate effectively with the host system. By default, ...

If the “Auto-resize Guest Display” is greyed out for you, go ahead and reboot your virtual machine and check if the issue is resolved. In case that doesn’t work, go ahead and restart your VirtualBox.

VirtualBox is often considered among the best virtual machine software available, particularly for users looking for a free and flexible solution. Its cross-platform support and open-source model make ...