No installation is required. Unpack only the files in a separate directory and start "NetRadio.exe".
If you perform an update
Be careful not to overwrite the settings file "NetRadio.xml".
Press Ctrl+F or click to the magnifying glass icon on the »Stations« page to search for new radio stations.
This program uses the webservice at http://www.radio-browser.info
Click the display area or press Ctrl+I to show the current song title and artist.