From this detailed guide, you can learn how to install World Live TV Addon On Your Kodi.
World Live TV Helper addon is another great option for you to install on your Kodi system and stream tons of Live TV Channels for free.
How To Install World Live TV 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://worldlivetv.github.io/repo
- Click OK
- Click back on your remote/keyboard
- Click Add-ons
- Click Install from Zip File
- Click WLTV
- Click repository.WLTV.x.x.zip.
- Wait for Add-On Enabled Notification
- Click Install from Repository
- Click WorldLiveTV Repository
- Click Video Add-Ons
- Click World Live TV
- 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.