The current ActiveControl licence key and expiry date can be seen via Help (>License Key) dropdown in the Windows GUI.
The details relating to the licence key can be seen along with the current expiry date:
When the licence key is due for renewal, ActiveControl will warn users of this when they login. A new licence key should be requested from Basis Technologies Support with the above details provided.
When supplied, the new licence key can be uploaded into the Windows GUI via the “Upload License Key” button on the screen.