Go to the ReleaseNotes, and download the relevant version
https://releasenotes.chili-publish.com/Unzip the downloaded files
Windows version
OSX Version
Double click the version for your OS
After you’re done with the installer, restart Adobe Illustrator.
You’ll find the Converter in the “Window” menu.
Extra
Does not install in 2021
Also 2020 needs special version to be able to run
Signature of zip file, is not trusted