You can increase your number of licences by yourself from your "subscribe" section on your platform.

If you click on "Modify my subscription", you will be redirected to the choice of the number of licences you want and the request will directly be transmitted to the contact assigned to your account.

To decrease your number of licences, we invite you to join your contact.
You can send him a mail from the platform, via "your contact" section figured by the red arrow below.

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