From this detailed guide, you can learn how to install Gratis Red Addon On Your Kodi.
The Gratis Red Kodi Addon lists different types Movies, TV Shows And Anime. All links are free and do not require a Debrid service. The menu layout is straight forward and easy to navigate through.This add-on has sections For Movies, TV Shows, Search and more.
this installation guide applies to all compatible devices including Amazon Firestick, Fire TV, Android & iOS, Mac, Windows, Android TV, Android Boxes, etc
How To Install Gratis Red 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://repo.redwizard.xyz
- Click OK
- Click back on your remote/keyboard
- Click Add-ons
- Click Install from Zip File
- Click RED
- Click repository.redwizard-x.x.zip.
- Wait for Add-On Enabled Notification
- Click The Red Repository
- Click Video Add-Ons
- Click Gratis Red
- 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.