Please note that the Antidote Verifier plugin (found here:
https://appstore.rws.com/plugin/3/ ) only works if you have a copy of Antidote 10 installed on your computer.
If you do not have Antidote 10 installed on your machine, then the plugin will not work. Antidote 10 is a software created by a 3rd party company, you can find more informations about it here:
https://www.antidote.info/en.