The OptimusGREEN Build can be installed in any XBMC based application. The original being Kodi. The build is compatible with “Jarvis” versions but a beta compatibility feature is available for “Krypton”.
Before starting you are best to completely wipe your kodi installation back to a fresh install. You can do this by either uninstalling kodi and reinstalling or clearing kodi's data in app settings etc. If you have the 'fresh start’ add-on installed in kodi you can also use this method.
Kodi Source - http://optimusgreen.tk/tools
OptimusGREEN Tools - Download Zip
Installation Instructions - Video Guide
This video shows you exactly how to download and install The OptimusGREEN Build onto your Kodi.
Alternatively, Just do the following.
System sub-menu -> File Manager -> Add Source
Input http://optimusgreen.tk/tools and give it a name.
Main Screen -> System -> Add-Ons -> Install From Zip
Select whatever you called the source you added.
Select the OptimusGREEN Tools zip.
A notification will pop up saying that it has installed.
Main Screen -> Programs -> OptimusGREEN Tools
Select Build Installer then choose a server.
At this point the build will download and extract. When complete, force close Kodi and re-launch.