From this detailed guide, you can learn how to install Doomzday Team Repo On Your Kodi.
Doomzday Repository is another updated community repository and you can use it to install third-party updated The Archives addon and Doomzday Wizard.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 Doomzday Kodi Repo
- 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 Doomzday Repository
- Click Video Add-Ons
- Click Your Addon
- 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.