Click here for an ItsFoss article from Oct 2020 that explains how to install the Deepin desktop on your Ubuntu system, and how to switch back if you want to.
Click here for a HowToGeek article from Apr 2020
While WireGuard is listed in the Ubuntu Universe repository, while testing with an updated version of Ubuntu 20.04 Daily, it is clear that WireGuard has yet to be added.
However, running the following command will install the service:
sudo apt-get install wireguard-dkms -y
Once added, it should be possible to configure and start a new VPN.
Click here for a HowToGeek article from Oct 2019
Click here for an ItsFOSS article from Oct 2019