This application is targeting on macOS.
macOS: High Sierra (10.13.2) or later
How to install binary software Download the binary package "JSTools.dmg" from https://osdn.net/projects/jstools/releases/ Open the "JSTools.dmg" file. You will find "README.html" file and... Show How to Install
See https://github.com/steelwheels/JSTools/blob/master/README.md. Show Usage