Hello and welcome to your first steps with JM°.
Let me guide you a little bit.

Webstart

The easierst way to start JM° is via Webstart.
A Java runtime environment is required for this: https://www.java.com/de/download/

 

 

Start Terminal

To start JM° in a terminal, please download the current version from the Download-Page and unfold it. For Starting JM° you can use:

Linux jmo-terminal.sh
Windows jmo-terminal.exe
Direct with Java java -jar jmo.jar

 

Now you should see the JM°-Shell.