Once you provide your fingerprint from your server along with a PO for Datamiser licenses, a Savance representative will provide you with a license key for your server.  To apply this license key, follow these steps.

Open up Datamiser Admin.

Click on the License tab

Enter the license key provided in the Add Keys box and click the Add Key button.

You should then see the key get added to the Current Keys list and immediately make use of the new key(s)!