4.1 Online Activation
4.2 Offline Activation
4.3 Account-Based Licensing
4.4 Floating License via License Server
When your polling requests time out or the display glitches, Witte Software support will ask for your registration details. Without a valid key, they will refuse service. You are on your own. Registration Key Modbus Poll
Obtaining a legitimate key is a straightforward process designed to support the ongoing development of the tool.
It is easy to resent paying for a tool you use occasionally. However, the license fee supports: At the time of writing
At the time of writing, a single-user license for Modbus Poll costs approximately €95 (excluding VAT). For a professional automation engineer billing at €80-150 per hour, the software pays for itself in less than two hours of troubleshooting time.