From this detailed guide, you can learn how to install Max HBO Addon On Your Kodi.
Say hello to Max, the streaming platform that bundles all of HBO together with even more of your favorite movies and TV series, plus new Max Originals.
With Max you'll get Access to thousands of TV shows and movies. Subscription Required.
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 Max 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://slyguy.uk
- Click OK
- Click back on your remote/keyboard
- Click Add-ons
- Click Install from Zip File
- Click Slyguy
- Click repository.Slyguy.x.x.zip.
- Wait for Add-On Enabled Notification
- Click Install from Repository
- Click Slyguy Repository
- Click Video Add-Ons
- Click Max
- 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.