Ensure your USB Key is plugged in firmly or that the Codemeter service is running.
Ensure you have the IDE installed on your PC.
The 25-digit code is your proof of purchase. Treat it like cash! codesys license activation
Choose whether you are activating a license on the Device (the PLC) or the Workstation (your PC). If choosing Device, select your PLC from the network scan.
The license is tied to the specific hardware footprint of your PC or PLC. It’s convenient because you don't need extra hardware, but if your hard drive fails or you change your motherboard, the license might become invalid. Ensure your USB Key is plugged in firmly
The software will generate a file (License Request File). Save this to a USB drive.
Upload your request file and enter your Product Key. The site will give you a file (License Update File). Treat it like cash
Your PC must be able to "see" the PLC over the network.