XpoLog help - Setting up a License
 
On the License page you can set the system license,
Setting the license
In the license file you got from XpoLog you can find a list of properties with values.
i.e. Version=2.2
On the license page you can see a list of build of pairs, feature and Text filed, you need to copy and paste the corresponding value from the file to the text filed for the same feature.
You need to insert the license signature in to the signature field.
Changing the system ports
In the general setting page you can set the new port values and click on save. Once the ports are saved the system will restart itself, until the system restarts you will see a page indicating that in 10 seconds the page will be refreshed (When the system will come up after the configuration). If you press on the link and you cant see data, refresh again after a few seconds. At this point if you do not see a validate data, please make sure that the new ports are free.

press save in order to update the system with the new license.
Additional links 
     View license agreement