Ubuntu 18.04 Bionic Beaver is not out yet. But many people may want to upgrade from Ubuntu 17.10 Artful Aardvark to Ubuntu 18.04 Bionic Beaver when Ubuntu 18.04 is officially released in April 2018. In this article, I will show you how to upgrade from Ubuntu 17.10 Artful Aardvark to Ubuntu 18.04 Bionic Beaver. Right now, following this article will let you upgrade to the development branch of Ubuntu 18.04 Bionic Beaver. When Ubuntu 18.04 LTS is officially released, following this article will let you upgrade to the LTS version of Ubuntu 18.04 Bionic Beaver. Let’s get started.