Under Settings --> Licenses you can find a list of all your sensor licenses.
From the table you can see
- for which sensor the license is
- the corresponding module-ID
- the license's expiration date
- the options licensed
- the yearly cost for the license
Automatic Reneval of the license
- For automatic reneval of the license for another year, you must have a valid credit card added to your account. Use this switch on the right
to switch on automatic extension for the desired sensor 
. -
The license will be automatically renewed for another year before it expires.
Manual Reneval of the license
- To manually extend the licence for another year, select the sensor to be extended using the radio button on the left.
- Click on the button Manually Extend Selected Licenses by 1 year in the upper right corner.
- A payment form will appear to select your credit card or pay using your prepaid credit.
- Confirm the Privacy Policy and Terms of Use and click Extend License to extend the validity of your license for one year.
- The total amount indicated at the top of the payment form will be charged to your credit card or prepaid balance.