How to Install Guest Additions for Ubuntu in VirtualBox | Ubuntu 20.04 64bit

In this video, I will show you how to install Guest Additions for Ubuntu in VirtualBox, on a Windows 10 PC. To install the Guest Additions package, you will require a complete installation of VirtualBox, Extention Pack, and Ubuntu. If you have not ready installed those, check link below for 'How to Install Ubuntu in Virtualbox.

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Commands Used for Guest Additions

sudo apt-get update
sudo apt-get upgrade
sudo apt install build-essential dkms linux-headers-$(uname -r)

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Related Links

[juseniah]

I was following your steps and got an error when I tried to insert the Guest Additions ISO under Devices. The solution was to install Guest Additions from the terminal using

sudo apt-get install virtualbox-guest-utils


Then I was able to continue following your video and I've got full-screen mode etc.