How to Install the Plex Kodi Addon with a Screenshotġ. Wait for the Plex Add-on installed message to appear.Launch Kodi and click the Settings icon.Here is a step-by-step guide on how you can install the Plex on Kodi. The good thing is you can get this add-on on Kodi’s official repository. However, before you can use this addon on Kodi, you will need to sign up/sign-in first on any web browser and cast it on your Kodi. It has an easy-to-use and smooth interface that works well on Kodi. This add-on lets you easily share videos, music, and files stored on your local storage on any device of your choice by only signing in. It is also one of the most popular media libraries that are now available on Kodi, which creates a good combination between the two amazing media players. With this add-on, you can easily organize your media files and libraries. Plex is an amazing streaming media player that lets you watch Free movies, Live TV shows, web shows, listen to music, and podcasts.