Install Ubuntu 16.04 LTS and Guest Additions on VirtualBox
This tutorial shows how to install Ubuntu 16.04 LTS (Xenial Xerus) on VirtualBox step by step. After installing Ubuntu 16.04 LTS, we'll install VBox Guest Addirions for better Ubuntu VM performance and usability. This tutorial also helps if you install Ubuntu 16.04 on physical PC.

Hope you found Ubuntu 16.04 LTS Installation on VirtualBox video tutorial informative and helpful.