Entering a valid serial number and key code removes all transfer restrictions, enabling seamless communication between your PC and Pro-face hardware. Key Code vs. Serial Number Activation always requires two distinct pieces of data:

Pro-face offers several licensing models depending on your organization's needs. When you purchase a license, you receive a unique serial number and key code combination. 1. Editor License (Single / Group)

The is a unique identifier required to unlock the full functionality of the Pro-face GP-Pro EX version 3.1 HMI (Human Machine Interface) screen editor and logic programming software. Without this code, the software typically runs as a "Limited Edition" (Trial Version), which restricts your ability to transfer screen data to most target machines. 1. Purpose of the Key Code

There is no universal, single key code for all units. Each GPPro EX 31 may have a unique code based on its , firmware version , and date of manufacture . However, there are several legitimate methods to retrieve it.

If you are looking for the , this comprehensive guide explains what it is, how licensing works, and how to properly activate your software to avoid production downtime. What is the GP-Pro EX Key Code?

: A complete license consists of a 12-digit Serial Number and a 10-digit Key Code.

This article is for informational purposes. Always consult official documentation for your specific GPPro EX 31 revision.

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.

Without both correct strings, the installation wizard will restrict you to a limited trial mode or prevent installation entirely. Software Licensing: Limited Trial vs. Full Version

Note: Administrative privileges are required on Windows to write license data to the system registry. Right-click the GP-Pro EX icon and choose before attempting activation. Troubleshooting Common Key Code Errors

Show you on your specific GP-Pro EX software version.

If you lose your original credentials, the safest and most compliant route is to contact Pro-face technical support with your original purchase order details to request a license recovery.

If you initially installed the software as a trial and later purchased a license, you do not need to reinstall the program to activate it. Follow these steps: Open .