The Maximize button on the Virtual Machine’s window extends the window to the whole screen. How to Select Full-Screen Option on VirtualBox? How to Make VirtualBox Actually Full Screen.How to Select Full-Screen Option on VirtualBox?.This option allows you to run the virtual machine with the same screen height and width as of the host computer. Note: If you still see a windowed VM, then, go to View → Auto-resize Guest Display. Read also: 10 Awesome Features of PSPad Editor Once your virtual machine is restarted, the VM opens in full screen mode and the display options disabled earlier are now enabled. Once the installation is complete, select the “ Reboot now” radio button.Make sure to click on Install, to have the driver installed correctly. Click on Next, Next on each screen until you see below pop up.Change the destination folder, if you want this to be installed at some different location, else simply click on Next. The installation of this driver is pretty straight forward.If you are running a 32-bit virtual machine, you must install VBoxWindowsAdditions-x86.exe Open the drive and install the VBoxWindowsAdditions-amd64.exe if your VM is 64 bit.The installable is inserted in the CD drive of the VM.Select Devices → Insert Guest Additions CD image….Start your virtual machine in VirtualBox.I can assure you that you will be able to change the VirtualBox screen resolution and make VirtualBox full screen. In this article, I will share a step by step guide to fix the full-screen issue.

To make VirtualBox full screen, you need to install VirtualBox Guest Additions on your virtual machine. This VirtualBox full-screen mode does not work most of the time when the drivers are not updated while installing the VirtualBox software.

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