You can find instructions for installing Neovim on Ubuntu 20.04 or 22.04 LTS in a tutorial from Unixcop.
How To Install Neovim on Ubuntu 20.04 | 22.04 LTS
In this guide, we will show you how to install and use Neovim on Ubuntu systems Neovim is a refactor, and sometimes redactor, in the tradition of Vim. It is not a rewrite but a continuation and extension of Vim. M