From this detailed guide, you can learn how to install Plex Live Addon On Your Kodi.
Plex Live is a Free Live TV Kodi Addon. In total there are more than 2500 channels available.
Countries included are USA, Great Britain, Canada, Brazil, Mexico, Germany, Australia, Spain, French, and more.
How To Install Plex Live Kodi Addon
- Open Kodi
- Be sure to have the Unknown Source box checked as Kodi requires this before installing 3rd party add-ons.
- HOME Screen > Add-ons > Settings button 
> Add-ons > Enable Unknown Sources.
- From your Home Click Settings (cog icon top left)
- Click File Manager
- Click None
-Type in the following EXACTLY https://slyguy.uk
- Click OK
- Click back on your remote/keyboard
- Click Add-ons
- Click Install from Zip File
- Click Slyguy
- Click repository.Slyguy.x.x.zip.
- Wait for Add-On Enabled Notification
- Click Install from Repository
- Click Slyguy Repository
- Click Video Add-Ons
- Click Plex Live
- Click Install
- Wait till you can see the message Add-on installed pops up. That's it! You can now find you addon from main menu > Add-ons, enjoy.