ArchDev99 — TERMS OF USE (SOFTWARE LICENSE AGREEMENT)
Edition 1.1, 29.10.2026

Please read carefully. By selecting "I accept the agreement" during installation, or by installing, copying or using the Software, You fully and unconditionally accept these Terms. If You do not agree, do not install or use the Software.

1. DEFINITIONS
1.1. "Software" means the ArchDev99 program, all of its parts, updates, databases, help texts and documentation.
1.2. "Author" means the author of the Software and its exclusive rights holder.
1.3. "User" or "You" means a natural person or legal entity that has installed or is using the Software.
1.4. "Key" means a license key that activates the Pro features on a specific computer for a specific period.
1.5. "Open CAD Studio" means an independent program owned by third parties, together with which the Software operates.

2. GRANT OF RIGHTS
2.1. The Software is not sold — it is licensed for use. All copyright and property rights in the Software remain with the Author.
2.2. The Author grants You a non-exclusive, non-transferable, limited right to use the Software in accordance with these Terms. The Pro features may be used only on the computer for which the Key was issued and only for the duration of the Key.
2.3. The trial period is provided for evaluation of the Software. After the period expires, the Pro features cease to function.
2.4. All rights not expressly granted in these Terms remain with the Author.

3. PROHIBITIONS
3.1. You may not, either yourself or through a third party:
 a) decompile, disassemble or reverse engineer the Software, except where the law expressly permits it;
 b) circumvent, disable or modify, or attempt to circumvent, disable or modify, the license, the trial period, the online time check or other protection mechanisms; for that purpose, modify the Software files, the computer clock, system data or the registry;
 c) transfer the Key to another person, sell it, rent it out, post it on the internet or attempt to use it on another computer;
 d) copy the Software or its parts (except for one backup copy for Your own use), distribute, sell, rent out or modify it, or create a product based on it;
 e) remove or modify the copyright notices in the Software and these Terms.
3.2. If the prohibitions are violated, the right to use the Software terminates immediately and without notice, and any amounts paid are non-refundable. Such a violation may give rise to liability under the legislation of the Republic of Uzbekistan.

4. DISCLAIMER OF WARRANTIES ("AS IS")
4.1. The Software is provided "AS IS" and "AS AVAILABLE". TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, the Author gives no warranty of any kind, express or implied. In particular, the following are not warranted:
 - that the Software will operate error-free or without interruption;
 - the correctness, accuracy or completeness of results;
 - the fitness of the Software for a particular purpose and its merchantability;
 - non-infringement of the rights of third parties.
4.2. All results that the Software calculates and draws are of an auxiliary nature only. These include walls, openings, room boundaries, areas, tables, schedules, explications, formula results and others. Their compliance with GOST, ShNK (KMK), SNiP and other regulatory documents is not warranted.
4.3. Responsibility for the correctness of design documentation, its compliance with standards and the consequences of its use rests entirely with the User. You are obliged to verify each result yourself as a qualified professional. The Software does not replace the professional review of a designer, expert examination or approval.

5. LIMITATION OF LIABILITY
5.1. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, the Author shall not be liable for any damages, even if the Author has been advised of the possibility of such damages. This applies to direct, indirect, incidental, special, punitive and consequential damages, including:
 - loss or corruption of drawings, files or data;
 - errors in design, construction, calculation or cost estimates and their consequences;
 - work stoppage and missed deadlines;
 - loss of profit, income, orders or reputation;
 - fines and sanctions imposed by state authorities;
 - claims of third parties;
 - damage to equipment and software.
5.2. In any event, the Author's total liability shall not exceed a single amount: the sum actually paid by You to the Author for the license for this particular Software during the 12 months preceding the event giving rise to the claim. In the case of trial and free use, this amount is zero.
5.3. The laws of some jurisdictions may not allow the disclaimer of warranties or the limitation of liability. In such a case, the limitations shall apply to the maximum extent permitted by law.

6. USER OBLIGATIONS AND DATA
6.1. The Software adds objects to the open drawing, modifies and deletes them (for example, it cuts an opening in a wall). Before using the Software, saving Your drawings and making regular backup copies is Your obligation.
6.2. You may edit the Software's databases (CSV files). Incorrect editing affects the results, and the Author is not liable for this.
6.3. You shall use the Software only for lawful purposes. In doing so, You shall comply with the license terms of Open CAD Studio and other programs.

7. THIRD-PARTY SOFTWARE
7.1. Open CAD Studio is an independent program owned by third parties. It is not part of the Software and is not distributed with it. The Author is not affiliated with the developers of Open CAD Studio and has not been endorsed by them.
7.2. The Author is not liable for: the operation, errors, changes or unavailability of Open CAD Studio, Windows and other programs. Their new versions may be incompatible with the Software. The Author does not undertake any obligation to ensure compatibility.
7.3. The Software uses open-source components (THIRD_PARTY_LICENSES folder). They are governed by their own licenses.

8. LICENSE KEY, TRIAL AND PAYMENT
8.1. The Key is bound to a specific computer — to its hardware and system identifiers. If the computer, disk or motherboard is replaced or Windows is reinstalled, the Key may stop working. Issuing a new Key is at the Author's discretion.
8.2. For the Pro features to operate, the Software periodically connects to the internet and checks the exact time. Without an internet connection, the Pro features may stop temporarily. This is not considered a defect of the Software.
8.3. The trial period is provided for evaluation before purchasing the Software. For this reason, amounts paid are non-refundable after the Key has been issued. Cases where a refund is mandatory under the law are excepted.
8.4. The Author is not liable if the license status is disrupted as a result of any of the following: changing the computer clock, cleaning system files or the registry, or actions of antivirus or other programs.
8.5. In future versions, the Author may change the following: the composition of the Pro and free features, prices and the trial period. A Key that has already been issued remains valid until the end of its term.

9. DATA PRIVACY
9.1. The Software does not collect personal data and does not send it to the Author.
9.2. To check the time, the Software sends an ordinary HTTPS request to public servers (for example, Google, Cloudflare, Microsoft). The request contains none of Your data, but these servers, as usual, can see Your IP address.
9.3. The Computer ID is a short code calculated from the computer's identifiers. You send it to the Author yourself in order to obtain a Key. The Author uses it only to issue Keys and to maintain a record of Keys.

10. UPDATES AND SUPPORT
10.1. The Author undertakes no obligation to release updates, fix errors or provide technical support, unless otherwise agreed separately in writing.
10.2. The Author may discontinue development or distribution of the Software at any time.
10.3. New versions may be provided under new terms of use.

11. TERM AND TERMINATION
11.1. These Terms take effect from the moment You install or begin using the Software.
11.2. You may terminate these Terms at any time by uninstalling the Software. If these Terms are violated, Your rights terminate automatically.
11.3. Upon termination of these Terms, You must stop using the Software and delete all of its copies.
11.4. Sections 3, 4, 5, 7, 12 and 13 remain in effect after termination of these Terms.

12. FORCE MAJEURE
The Author is not liable for failure to perform obligations due to circumstances beyond the Author's control. Such circumstances include natural disasters, power or internet outages, failure of third-party services, decisions of state authorities and the like.

13. GOVERNING LAW AND DISPUTES
13.1. These Terms are governed by the legislation of the Republic of Uzbekistan.
13.2. Disputes shall first be resolved through negotiation: a written claim is sent, to which a response is given within 30 days.
13.3. If no agreement is reached, the dispute shall be heard by the competent court at the Author's place of residence, unless otherwise provided by legislation.

14. FINAL PROVISIONS
14.1. If any provision is found to be invalid, the remaining provisions shall remain in effect. The invalid provision shall apply to the maximum extent permitted by law.
14.2. The Author's failure to exercise any right shall not be deemed a waiver of that right.
14.3. These Terms constitute the entire agreement between the parties regarding the Software and supersede all prior oral or written agreements.
14.4. These Terms are provided in Uzbek, Russian and English. In case of any discrepancy between the texts, the Uzbek text shall prevail.

15. CONTACT
Telegram: t.me/rustamm93
Website: archdev99.uz
E-mail: rustammamadaminov@gmail.com