To use NetLogger you must first DOWNLOAD and INSTALL the Program. (once time only)http://netlogger.org/download.php
After you have installed the NetLogger program on your computer, you run that program each time you want to use NetLogger to participate in a net.
The 3805CC group has a little tutorial that covers the basics. You might want to look at that just to familiarize yourself with how the program works..https://youtu.be/kxiKy4HcwPs