Download the .zip plugin Embedded Engineer for MagicDraw from https://www.lieberlieber.com/en/products/ and start MagicDraw.
- Open Helpo → Resource/Plugin Manager
- Click the "Import" button in the bottom half of the dialog.
- Select the downloaded zip file and click "Open"
- Restart Magic Draw
- If the installation was successfull you will find a new menu entry called "LL Embedded Engineer" and the Resource/Plugin Manager should also show an entry "LL Embedded Engieer" (installed)