How to install and start Astah (astah* System Safety) (astah* SysML)

This page describes how to install Astah , launch and set license.

How to install Astah

Please refer to Installing Astah on Windows

Please refer to Installing Astah on Mac

Model version

Each version of Astah has a number called “Model Version“ and every file you create will carry this “Model Version” which helps you find which version of Astah can open this file. You can check the model version from [Help] - [Version Information].

Astah files are forward compatible. If files are edited by a newer model version of Astah, they cannot be opened in an older version.

How to set license

You need to set the license in order to use Astah. Please refer to License management