From this detailed guide, you can learn how to install COM-NBS Build On Your Kodi.
Sections include Movies, TV Shows, Live TV, Sports, 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 COM-NBS Kodi Build.
- 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/doomzday
or
https://doomzdayteam.github.io/doomzday
- Click OK
- Click back on your remote/keyboard
- Click Add-ons
- Click Install from Zip File
- Click Doomzday
- Click repository.doomzday.x.x.zip.
- Wait for Add-On Enabled Notification
- Click Install from Repository
- Click Doomzday Repository
- Click Prorgam add-ons
- Click Install
- Wait for Add-On Enabled Notification
- Click OK
- Click Close
- Click Yes
- Click COM-NBS Build - > Install (Fresh install)
- Click Continue
- The build will now download and install. Once completed select OK to force close Kodi
- Restart Kodi and leave it for a couple of minutes to allow all updates to complete.