Drag the downloaded .jar file into an open instance of Astah. When prompted, confirm installation by clicking [Yes]. If a pop-up opens, restart Astah to complete the installation.
Installation is successful when the [m+] tab appears in the “Extra View” below the diagram editor.
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If the “Extra View” is not visible, enable it via [View] – [Show/Hide Extra View].
Also, install Helper for m+ to simplify settings when using the plug-in.
Samples
For detailed instructions, refer to the Plug-in Author’s Website.
Below are some resources to help you learn more about m+: