Obtaining a new Modbus Slave license involves purchasing a perpetual, single-user key for $129.00 from Witte Software, which removes 30-day evaluation limitations. The key is activated via the F3 connection menu, with licenses from 2023 onwards compatible with the latest software versions. Purchase a new license and find installation instructions at Modbus Tools Modbus Tools FAQ - Modbus Tools
If you continue using the software after the 30-day period, a registration fee and a valid license key are required. Modbus Tools Acquiring a New License Key modbus slave license key new
Once you receive your key, follow these steps to unlock the software: Open Modbus Slave. Go to the Connection menu. Select Register. Obtaining a new Modbus Slave license involves purchasing
Troubleshooting
The most notable change is the phase-out of lifetime license keys. New versions of popular Modbus slave simulators now use: modbus slave license key new