How to activate my Pythagoras-license? USB key / dongle

Modified on Thu, 5 Dec at 4:22 PM

How to activate your license

You have received a package with your USB key via the postal services? For security reasons, this key is blank.
If you inform Pythagoras Support you have the key in your possession, only then will your license will be linked to the USB.


And you have downloaded and installed the Pythagoras software. 

If not, see Download Pythagoras -  Install Pythagoras Software


Once you receive a confirmation from support, you can:


  1. Plug in the USB key: insert the USB license key into an available USB port on your computer.
  2. Connect to the Internet: Ensure you are connected with the internet
  3. Restart Pythagoras: The license is automatically detected during start up.



Verify the License

Open Licensing > About Pythagoras. Click on the button 'License info'. Here you can see your license number and the purchased modules.





Program launches without valid License

Troubleshooting License Recognition Issues

If Pythagoras seems to launch without a valid license, try the following:


  1. Disconnect the USB Key: Disconnect the USB key, restart your computer, and try to launch Pythagoras again.
  2. Check USB Port: If the light on the USB is not lit, try another USB port.
  3. Install the Latest Driver: Download and install the latest driver from our website, restart your system, and try to launch Pythagoras with the USB connected.
  4. Install the Latest Version of Pythagoras: Download and install the latest version of Pythagoras from our website, restart your system, and try to launch Pythagoras with the USB connected.
  5. Update Windows: Make sure your Windows is completely up-to-date.

Need Help?

If these tips don’t solve the problem, feel free to contact our support department at support@pythagoras.net.


Note: If the light on the USB flashes, you need to contact our support team.







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