Gppro Ex 31 Key Code Verified May 2026

While version 3.1 remains functional for many, Pro-face has transitioned to newer versions like and beyond. Modern versions offer better compatibility with Windows 10/11 and enhanced security features. If you are struggling with a legacy 3.1 key, it may be the ideal time to consult the Pro-face Software Selection Guide to explore upgrade paths that offer more robust support for current industrial standards.

: When prompted, input your 12-digit Serial Number and your 10-digit Key Code .

: Double-check for common typos (e.g., mistaking '0' for 'O' or '1' for 'I'). Ensure the Key Code matches the specific version you are installing; a key for version 4.0 will not work on version 3.1.

is a legacy version of the premier development software used for Pro-face HMI (Human Machine Interface) units. While newer versions are available, many industrial environments still rely on version 3.1 to maintain older hardware or legacy project files. To unlock the full capabilities of this software, a valid Key Code and Serial Number are required during installation. 1. What is the GP-Pro EX 3.1 Key Code?

: Run the setup.exe from your installation media.