Installation: Unzip the ZIP file and copy the file DoNext.exe into the folder ...\Notesbrowser\Plugins
The Plugins concept of Notesbrowser is more or less a shortcut from Notesbrowser to another program.
There are two types of Plugins for Notesbrowser:
Some plugins offer extra features to Notesbrower, for example the MP3 Timer. They have been developed to work together with Notesbrowser.
Other plugins (some have been programmed by other authors and are released as Freeware on the Internet) can be used from within Notesbrowser. This usage is more or less just a shortcut to launch the plugin from Notesbrowser. You can use every tool or program this way in Notesbrowser.