OneMind for Windows OneNote works with OneNote UWP.
OneMind launch is not very convenient after installation.
 
To make it easier to start OneMind from OneNote, we can install the following add-ins:

• Gem Menu for OneNote UWP
  

OneMind for Mac OneNote works with OneNote for Mac.
OneMind launch is not very convenient after installation.
 
To make it easier to start OneMind from OneNote, we can install the following add-ins:

• Gem Menu for Mac OneNote
  

Windows Office OneMind works with Windows Office OneNote 2016, 2013, 2010.
Windows Office OneMind launch is not very convenient after installation.
 
To make it easier to start Windows Office OneMind directly from OneNote, we can install any of the following add-ins:

• Gem for OneNote
• OneNote Gem – Favorites
  

Quit OneNote
Quit OneNote before install add-ins.
You must quit the add-ins also if you want to update the add-ins,