The Key Code is paired to the Serial Number. Ensure you are not trying to use a key code from a different version or a different license purchase.
If you need assistance finding the correct part number or license type for your specific Pro-face panel, let me know: What of HMI panel are you programming? What operating system is your engineering PC running? gppro ex 31 key code
Never complete a "survey" or "verification" to get a software key. It is always a trap. The Key Code is paired to the Serial Number
But before you paste any code into your software, it is critical to understand what this key code actually is, why version 31 is significant, the legal and cybersecurity risks of chasing "free" codes, and how to legitimately access the software. What operating system is your engineering PC running
Look closely at characters that look alike, such as the number 0 and the letter O , or the number 1 and the letter I . 2. Moving Licenses to a New PC
Used for activating 10, 25, or 50+ PCs within the same office, relevant for GP-Pro EX Ver. 3.1 or later 2.2.2. 2. How to Activate GP-Pro EX (Key Code Input)