Q: What Are Guest Additions in VirtualBox?

A: The VirtualBox Guest Additions are extra pieces of software, included with your copy of VirtualBox, that enable better performance and functionality in virtual machines. You install Guest Additions inside the virtual machine to activate this functionality.

VirtualBox Guest Additions Install

As you probably know, VirtualBox is a hypervisor, which allows you to create and use virtual machines. This means that you can install Windows and other operating systems inside VirtualBox and have them think that they’re running on actual hardware.

However, just because you get a working virtual machine running in VirtualBox doesn’t mean the experience is perfect from the start. There are certain elements of running an OS in an app window that are frustrating.

For example, on your main computer, Windows knows what resolutions it can display using the drivers from your graphics card. A virtual machine can’t do this, though, so it displays in a low resolution (such as 800×600) by default.

The Guest Additions of VirtualBox contain display drivers and other useful tools that make your virtual machine much more usable.

Watch this video to learn how to install the VirtualBox Guest Additions Image. Subscribe for more content!

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