Ubuntu: How do I install virtualbox-dkms?

Ubuntu: How do I install virtualbox-dkms? Helpful? Please support me on Patreon: https://www.patreon.com/roelvandepaar With thanks & praise to God! With thanks to the many people who have made this project possible! | Content (except music & images) licensed under cc by-sa 3.0 | Music: https://www.bensound.com/royalty-free-music | Images: https://stocksnap.io/license & others | With thanks to user simplify (https://askubuntu.com/users/182841), user Marc Quinton (https://askubuntu.com/users/155471), user Kevin (https://askubuntu.com/users/99613), user Kenny Loveall (https://askubuntu.com/users/596697), user Jorge Castro (https://askubuntu.com/users/235), user Donald Dominko (https://askubuntu.com/users/115476), user cogitoergosum (https://askubuntu.com/users/99374), user Bill Dengler (https://askubuntu.com/users/99213), user abu_bua (https://askubuntu.com/users/790920), and the Stack Exchange Network (http://askubuntu.com/questions/203586). Trademarks are property of their respective owners. Disclaimer: All information is provided "AS IS" without warranty of any kind. You are responsible for your own actions. Please contact me if anything looks amiss at Roel D.OT VandePaar A.T gmail.com.