How to Install VirtualBox Guest Additions on Guest Machines

virtualbox guest addition cd image

VirtualBox Guest Additions software is designed to run inside of the guest machines after the guest operating system is installed. The software consist of drivers and applications that enhance the guest machine for better performance.

When you install VirtualBox guest OS, your first task should be installing the guest addition software. It allows smooth operations between the host machine and guest OS.

This brief tutorial is going to show students and new users how to easily install the software on VirtualBox guest machines.

Step 1: Inserting the Guest Addition Software

To install the guest additions software, follow these steps:

When the guest machine is running, on the guest machine windows, select Devices => Insert Guest Additions CD Image

virtualbox guest addition cd image

Step 2: Installing the Guest Additions Software on Ubuntu

After inserting the CD image inside the guest machine, the machine should automatically mount and begin installing the software. On Ubuntu, click the Run button as shown below.

installing virtualbox guest additions software

Wait until the installation is done, then press the Enter key and restart the guest machine.

Step 3: Installing the Guest Additions Software on Windows

On Windows guest machine the process is almost the same as in Ubuntu. When you insert the guest additions software image, Windows automatically mounts the CD and prompts you to install.

You can double click the installer and begin installing the software. Pretty easy as always in Windows OS.

The guest additions software offers the following enhancements:

Mouse pointer integration == this enables the mouse pointer to free move between the host and guest machines

Shared folders ==> this enables the guest machines to directly access shared host folders

Better video support ==> this installs custom video drivers for the guest machines to provide better support and high resulutions

Seamless windows = the guest OS can be mapped to the host’s desktop

Time synchronization ==> this synchronizes the guest machines time with the host

and many, many more feature. So, it’s important to always install the guest additions software after installing a guest operating system.

That’s it! This is how to install VirtualBox guest additions software on Ubuntu and Windows systems. Other operating systems might have different ways of installing but the basic concept is still the same.

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