To update or activate your serial number, you should use the official channels provided by the developer, DeskShare . How to Update Your Serial Number
| Software | License | IP Camera Support | Motion Detection | |----------|---------|------------------|------------------| | | Free/Open Source | Yes | Yes | | ZoneMinder | Open Source | Yes | Yes | | ContaCam | Freeware | Yes | Yes | security monitor pro 531 serial number upd