# End User License Agreement (EULA)

**ZenithFiler**
Last updated: March 7, 2026

This End User License Agreement ("Agreement") is a legal agreement between K.AKASAKA ("Author") and you ("User") regarding the use of this software. By installing, copying, or otherwise using this software, you agree to be bound by the terms of this Agreement.

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## Article 1 (Definitions)

1. "Software" refers to all programs including the ZenithFiler executable files, accompanying files, documentation, and updates.
2. "License Key" refers to an authentication code issued by the Author to activate all features of the Software.

## Article 2 (Scope of License)

1. The Author grants the User a non-exclusive, non-transferable right to use the Software in accordance with the terms of this Agreement.
2. The User may use the Software for both personal and commercial purposes.
3. A single License Key may be installed on multiple devices used by the User personally. However, simultaneous use is limited to one device at a time.

## Article 3 (Trial Period and Feature Restrictions)

1. The User may try the Software without obtaining a License Key.
2. The trial version has certain feature restrictions. Details of the restrictions can be found in the Settings screen of the Software.
3. Applying a License Key removes all feature restrictions.

## Article 4 (Copyright)

1. All copyrights and other intellectual property rights in the Software belong to the Author.
2. (C) 2024-2026 K.AKASAKA. All rights reserved.
3. This Agreement does not transfer any copyright in the Software.

## Article 5 (Prohibited Actions)

The User shall not:

1. Reverse engineer, decompile, disassemble, or analyze the source code of the Software
2. Modify, adapt, or create derivative works of the Software
3. Redistribute, resell, rent, or sublicense the Software or License Keys
4. Circumvent, disable, or tamper with the license authentication
5. Use the Software for any illegal purpose

## Article 6 (License Key Handling)

1. License Keys are issued to individual Users and may not be transferred to or shared with third parties.
2. If unauthorized use of a License Key is confirmed, the Author reserves the right to invalidate that License Key.
3. In case of loss or leakage of a License Key, the User shall promptly contact the Author.

## Article 7 (Disclaimer)

1. The Software is provided "AS IS." The Author makes no warranties, express or implied, regarding the operation of the Software.
2. The Author shall not be liable for any direct or indirect damages arising from the use or inability to use the Software, including but not limited to data loss, corruption, business interruption, or any other damages, even if the Author has been advised of the possibility of such damages.
3. The User shall maintain appropriate backups of important data before using the Software.

## Article 8 (Termination)

1. If the User violates the terms of this Agreement, the Author may terminate this Agreement immediately.
2. Upon termination, the User must delete the Software and all copies thereof.
3. The User may terminate this Agreement at any time by deleting all copies of the Software.

## Article 9 (Governing Law and Jurisdiction)

1. This Agreement shall be governed by and construed in accordance with the laws of Japan.
2. Any disputes arising from this Agreement shall be subject to the exclusive jurisdiction of the Tokyo District Court as the court of first instance.

## Article 10 (Miscellaneous)

1. This Agreement constitutes the entire agreement between the User and the Author regarding the use of the Software and supersedes all prior agreements.
2. The Author may modify this Agreement when updating the Software. Users will be notified of significant changes through the Software.
3. If any provision of this Agreement is found to be invalid or unenforceable, the remaining provisions shall remain in full force and effect.
