From this detailed guide, you can learn how to install MultiTrailer Addon On Your Kodi.
Browse and play movie and series trailers, fan films, and channel videos within Kodi. Features integrated YouTube extraction with direct DASH/HLS playback—no separate YouTube add-on required. Additional sources include Vimeo, Dailymotion, TikTok, and IMDb.
this installation guide applies to all compatible devices including Amazon Firestick, Fire TV, Android & iOS, Mac, Windows, Android TV, Android Boxes, etc.
RELATED: TMDbm Trailers Kodi Addon
How To Install MultiTrailer 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://tinyurl.com/kodi-media
- Click OK
- Click back on your remote/keyboard
- Click Add-ons
- Click Install from Zip File
- Click kodi-media
- Wait for Add-On Enabled Notification
- Click Install from Repository
- Click Video Add-Ons
- Click MultiTrailer
- 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.