End User License Agreement (EULA)

Effective Date: November 1, 2025

Last Updated: November 1, 2025

Version: 1.0.0

This EULA is originally drafted in English. In case of conflicting translations, the English version shall prevail and be legally binding.

DEFINITIONS

For the purposes of this Agreement:

• “Agreement” means this End User License Agreement
• “Company” means PAACS Software Ltd, a company registered in England and Wales
• “Software” means the PAACS simulation software, including all programs, libraries, documentation, updates, and modifications
• “Commercial Use” means any use that generates revenue, is part of business operations, or provides commercial advantage
• “Non-Commercial Use” means personal, educational, or academic research use with no revenue generation
• “License Key” means the unique activation code provided for commercial licenses
• “User” or “You” means the individual or entity using the Software
• “Effective Date” means the date you first install or use the Software

1. GRANT OF LICENSE

1.1 License Grant

Subject to your compliance with this Agreement, the Company grants you a limited, non-exclusive, non-transferable, revocable license to install and use the Software according to the license type you have obtained.

1.2 License Types

• Non-Commercial License: Free license for personal use, education, academic research, and non-profit activities. Strictly prohibits any commercial use, redistribution, or integration into commercial products.
• Commercial License: Paid license required for any business use, commercial research, consulting, or revenue-generating activities. Includes premium features and priority support.
• Trial/Evaluation License: Time-limited license for commercial entities to evaluate the Software before purchase.
• Enterprise License: Custom licensing for organizations requiring multiple seats, on-premise deployment, or special terms.

1.3 Beta Period Terms

For Software versions 0.1.0 through 0.9.x (“Beta Versions”):

• Commercial features are temporarily available without a commercial license
• This is for evaluation and testing purposes only
• The Company reserves the right to disable commercial features at any time
• Upon release of version 1.0.0, all Beta Versions will require appropriate licensing
• Retroactive commercial licenses will be required for continued commercial use of any version

2. LICENSE RESTRICTIONS

You may NOT:

• Reverse engineer, decompile, disassemble, or attempt to derive source code from the Software
• Modify, adapt, translate, or create derivative works based on the Software
• Remove, alter, or obscure any proprietary notices, labels, or marks
• Rent, lease, lend, sell, sublicense, or transfer the Software or your license rights
• Use the Software for any illegal purposes or in violation of any laws
• Bypass, disable, or circumvent any licensing, activation, or copy-protection mechanisms
• Use automated tools to extract data or functionality from the Software
• Share, publish, or distribute License Keys
• Use the Software to develop competing products or services
• Exceed the scope of your licensed use (e.g., using a Non-Commercial License for commercial purposes)
• Use the Software in life-critical or safety-critical systems where failure could cause harm

3. INTELLECTUAL PROPERTY RIGHTS

3.1 Ownership

The Software is licensed, not sold. The Company and its licensors retain all right, title, and interest in and to the Software, including all intellectual property rights. No rights are granted except those expressly set forth in this Agreement.

3.2 Proprietary Rights

The Software contains proprietary and confidential information protected by intellectual property laws, including but not limited to copyright, patent, trademark, and trade secret laws.

3.3 Feedback

Any feedback, suggestions, or ideas you provide regarding the Software become the property of the Company and may be used without restriction or compensation to you.

4. ACTIVATION AND VALIDATION

4.1 Activation Required

The Software requires activation through a valid user account and, for commercial licenses, a valid License Key. Activation associates the Software with specific hardware and/or user account.

4.2 Validation Checks

The Software performs periodic validation to verify license compliance. These checks may:

• Verify the authenticity and validity of your license
• Detect unauthorized use or license violations
• Collect limited system information for license enforcement
• Disable functionality if violations are detected

4.3 Internet Connection

Periodic internet connection is required for license validation. Extended offline use may result in reduced functionality or deactivation.

5. UPDATES AND SUPPORT

5.1 Updates

The Company may provide updates, patches, or new versions at its discretion. Updates may:

• Add, modify, or remove features
• Fix bugs or security vulnerabilities
• Improve performance or compatibility
• Include additional terms or licensing requirements

5.2 Automatic Updates

The Software may automatically download and install updates. You consent to receive such updates as part of your use of the Software.

5.3 Support

• Non-Commercial Users: Community-based support through forums and documentation
• Commercial Users: Priority email support with defined response times
• Enterprise Users: Dedicated support channels as per agreement

6. DATA COLLECTION AND PRIVACY

6.1 Data Collection

By using the Software, you consent to the collection of:

• License validation data
• System configuration information
• Usage statistics and analytics
• Error reports and diagnostic information
• Feature usage patterns

6.2 Privacy Policy

Data collection and processing are governed by our Privacy Policy, which is incorporated by reference into this Agreement.

7. WARRANTIES AND DISCLAIMERS

7.1 Disclaimer of Warranties

THE SOFTWARE IS PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND. THE COMPANY DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO:

• MERCHANTABILITY
• FITNESS FOR A PARTICULAR PURPOSE
• NON-INFRINGEMENT
• ACCURACY OR RELIABILITY OF RESULTS
• QUIET ENJOYMENT
• ERROR-FREE OR UNINTERRUPTED OPERATION

7.2 No Guarantee

The Company does not guarantee that the Software will meet your requirements or that defects will be corrected. You assume all risk of use.

8. LIMITATION OF LIABILITY

8.1 Exclusion of Damages

TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE COMPANY SHALL NOT BE LIABLE FOR ANY:

• INDIRECT, INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES
• LOSS OF PROFITS, REVENUE, OR BUSINESS
• LOSS OF DATA OR DATA CORRUPTION
• BUSINESS INTERRUPTION
• PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES
• DAMAGES EXCEEDING THE LICENSE FEE PAID (IF ANY)

8.2 Essential Purpose

These limitations apply even if the Company has been advised of the possibility of such damages and even if any remedy fails of its essential purpose.

9. INDEMNIFICATION

You agree to defend, indemnify, and hold harmless the Company, its affiliates, officers, directors, employees, and agents from and against all claims, damages, losses, expenses, and costs (including reasonable attorneys' fees) arising from:

• Your breach of this Agreement
• Your violation of any law or third-party rights
• Your use or misuse of the Software
• Any content or data you process using the Software

10. TERMINATION

10.1 Term

This Agreement is effective upon installation or first use of the Software and continues until terminated.

10.2 Termination by You

You may terminate this Agreement by ceasing use and uninstalling all copies of the Software.

10.3 Termination by Company

The Company may terminate your license immediately if you:

• Breach any term of this Agreement
• Fail to pay applicable license fees
• Use the Software beyond your licensed scope
• Engage in fraud or misrepresentation

10.4 Effect of Termination

Upon termination:

• All rights granted under this Agreement immediately cease
• You must stop using the Software
• You must delete all copies of the Software
• Sections 3, 7, 8, 9, 11, 12, and 13 survive termination

11. EXPORT COMPLIANCE

You acknowledge that the Software may be subject to export controls and sanctions laws of the United Kingdom, European Union, United States, and other jurisdictions. You agree to:

• Comply with all applicable export and import laws
• Not export or re-export the Software to prohibited countries or entities
• Not use the Software for prohibited end-uses including nuclear, missile, chemical, or biological weapons
• Obtain all necessary licenses or authorizations

12. GOVERNING LAW AND DISPUTES

12.1 Governing Law

This Agreement shall be governed by and construed in accordance with the laws of England and Wales, without regard to conflict of law principles.

12.2 Jurisdiction

Any disputes arising from or relating to this Agreement shall be subject to the exclusive jurisdiction of the courts of England and Wales.

12.3 Arbitration

At the Company's option, disputes may be resolved through binding arbitration under the rules of the London Court of International Arbitration (LCIA).

13. GENERAL PROVISIONS

13.1 Entire Agreement

This Agreement, together with our Terms and Conditions, Privacy Policy, and any applicable Order Forms or Invoices, constitutes the entire agreement between you and the Company.

13.2 Severability

If any provision is held invalid or unenforceable, the remaining provisions shall continue in full force and effect.

13.3 Waiver

No waiver shall be effective unless in writing. Failure to enforce any provision shall not constitute a waiver of future enforcement.

13.4 Assignment

You may not assign or transfer this Agreement or your rights hereunder. The Company may assign this Agreement without restriction.

13.5 Force Majeure

Neither party shall be liable for delays or failures due to causes beyond their reasonable control, including acts of God, natural disasters, war, terrorism, labor disputes, or government actions.

13.6 Notices

Notices to the Company should be sent to legal@paacs.pro. Notices to you will be sent to your registered email address.

14. CONTACT INFORMATION