To use the songbook program KJ-Pro, start by selecting the Use KJ-Pro for disc lookup option. Then click the Browse button and select the folder where the songbook program is installed.
CDGFix 3 Super recognizes both version 1 and 2 of KJ-Pro. After having selected the songbook program installation folder you will be informed on the version found.
The next time you use functions like Load Title/Artist and Browse Disc Catalogs you will have the option of using KJ-Pro as your source of information.