Thank you for downloading the Zoom H4n Editor.
To use this software, you just haev to follow the two steps procedure below.
1. Install Python 3.6 for your platform, you can download it from
https://www.python.org/downloads/
2. Add PyQt5 to your python installation, just run the following command in a terminal
python -m pip install pyqt5
NB: on windows you may need to run a terminal with adminitrator rights.