- Product Family: Act!
- Product: Act! Premium, Act! Pro, Act! Premium for Web
The format of Act! activation keys has changed following the licencing component update at the end of 2018.
In order to register Act! it is necessary to update to a version using the new licencing service.
See the below KnowledgeBase article for more information on the change, and to update to a compatible version:
Licensing Software Update: Versions v19, v20 and v21