At the time of publishing the article, the steps below can be performed from the licence expiry date, but not before. Further updates to come on this aspect.
To update your ALPHACAM license, open ALPHACAM license
Manager by searching "ALPHACAM License Manager" In the Windows search bar.

Once the window below opens, press Install License.
Go through each of the windows that pop up by clicking Next until
the license updates.
If your license doesn’t update correctly, please submit a support ticket.