Here is an easy to follow guide for installing the cinemaxx.ro add-on for Kodi / XBMC by Krysty
Download the add-on and save to a location you can easily remember
Open Kodi / XBMC
Select SYSTEM
Select Add-Ons
Select Install from zip file
Navigate to where you downloaded the zip in the first step and select plugin.video.cinemaxx-1.0.8.zip
Wait for Add-On Enabled Notification
Cinemaxx is now installed.
As usual the add-on now can be accessed from the home screen and VIDEOS > Add-Ons > Cinemaxx.ro.