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End User License Agreement

Effective date: May 11, 2026 — Last revised: June 5, 2026
This EULA is a legal agreement between you and Mark Cox / Cosmic Horizons for use of CosmicWriter software. This EULA does not apply to the Cosmic Horizons website.

Product: CosmicWriter desktop software
Developer: Mark Cox / Cosmic Horizons

By purchasing, downloading, installing, or using CosmicWriter you agree to be bound by this EULA. If you do not agree, do not install or use the Software and contact [email protected] for a refund within the refund window.

1. License Grant

Subject to your compliance with this EULA and payment of the applicable fee, Developer grants you a limited, non-exclusive, non-transferable, revocable license to:

  • Install and use the Software on up to two (2) personal computers that you own or control.
  • Use the Software solely for your own personal or internal business content creation purposes.

2. Seat Limits and Activation

Your license key may be activated on a maximum of two (2) machines simultaneously. To activate on a new machine, you must first deactivate the Software on one of your existing activated machines via Settings → License → Deactivate.

3. Restrictions

You may not:

  • Copy, distribute, sell, resell, sublicense, or transfer the Software or your license key to any third party.
  • Reverse engineer, decompile, disassemble, or attempt to derive the source code of the Software.
  • Modify, adapt, translate, or create derivative works based on the Software.
  • Remove, alter, or obscure any copyright, trademark, or other proprietary notices.
  • Use the Software to develop a competing product or service.
  • Share, publish, or post your license key publicly.
  • Export or re-export the Software to any country, entity, or individual subject to U.S. trade sanctions, embargoes, or export control restrictions under the Export Administration Regulations (EAR) or other applicable U.S. law.

4. Ownership

The Software is licensed, not sold. Developer retains all right, title, and interest in and to the Software, including all intellectual property rights. This EULA does not grant you any rights to Developer's trademarks or service marks.

5. Updates and Support

Developer may provide updates, bug fixes, or new versions of the Software at its discretion. Updates may be subject to additional or amended terms. Support is provided on a best-effort basis via email at [email protected].

6. Termination

This license is effective until terminated. Developer may terminate this EULA immediately and without notice if you breach any of its terms. Upon termination you must cease all use of the Software and destroy all copies in your possession. Sections 3, 4, 8, 9, and 10 survive termination.

7. Disclaimer of Warranties

THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. DEVELOPER EXPRESSLY DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT.

8. Limitation of Liability

TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, DEVELOPER SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR DAMAGES FOR LOSS OF PROFITS, REVENUE, DATA, BUSINESS, OR GOODWILL, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. DEVELOPER'S TOTAL CUMULATIVE LIABILITY ARISING OUT OF OR RELATED TO THIS EULA SHALL NOT EXCEED THE AMOUNT PAID BY YOU FOR THE SOFTWARE IN THE TWELVE (12) MONTHS PRECEDING THE CLAIM.

9. Indemnification

You agree to indemnify, defend, and hold harmless Developer and their successors from and against any claims, damages, losses, liabilities, costs, and expenses (including reasonable attorneys' fees) arising out of or related to: (a) your use of the Software; (b) any content you create, publish, or distribute using the Software; (c) your breach of this EULA; or (d) your violation of any third-party rights.

10. Governing Law

This EULA is governed by the laws of the State of Illinois, United States. Any disputes shall be resolved exclusively in the courts of Madison County, Illinois.

11. Entire Agreement

This EULA, together with the Terms of Service and Privacy Policy, constitutes the entire agreement between you and Developer regarding the Software and supersedes all prior agreements.

12. Contact

Questions about this EULA? Email [email protected].

© 2026 Mark Cox / Cosmic Horizons. All rights reserved.

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