Criterion is a specialized desktop application developed within the ITSERR project (WP3) for creating and managing digital critical editions. The application follows open-source principles and European project requirements.

Criterion is released under the GPLv3 (GNU General Public License v3) license, in compliance with European project requirements and PNRR funding acknowledgments.

During installation, users must approve the license agreement before proceeding. A dedicated window displays a summary of key licensing information, and users must scroll through the terms and explicitly accept the agreement to continue.

Without accepting the license terms, the installation cannot proceed.

To view software information:

1. Go to Help > About Criterion
2. The popup displays:
- Software name
- Current version (dynamic)
- System architecture (e.g., Windows x64, macOS arm64)
- Build ID
- Build date

From the “About Criterion” popup, users can access:

• License Agreement: Specific to your operating system (opens in default browser)
• Acknowledgements: Common to all operating systems, containing institutional and PNRR funding acknowledgments (opens in default browser)

The text of the popup and button labels are displayed in the language selected by the user in preferences (Settings > Language).

The “About Criterion” functionality provides a clear, reliable, and project-compliant access point to:

• Software technical information
• Open-source licenses
• Institutional and PNRR funding acknowledgments

The design ensures:

• Centralized content updates
• Multilingual accessibility
• Cross-platform compatibility (Windows, macOS, Linux)