Please unzip the downloaded ZIP file to the NEWPLUGS folder which is right inside your TNM 7 SE folder. Then start up TNM to install the plugin.
This plugin revolutionizes the world of TNM by letting the user customize the move commentary TNM 7 produces. This beta version comes as a Windows application in the form of a TNM 7 plugin. Extract all files from this ZIP file into your TNM 7's NEWPLUGS folder.