# Kylin OS End User License Agreement and Privacy Policy Statement

Dear Users of Kylin OS Desktop Operating System and Related Products:

This agreement describes your rights, obligations, and the prerequisites for your use of this product. Please read the terms of this agreement, supplementary license terms (collectively referred to as the "Agreement") and the Kylin OS Desktop Operating System Privacy Policy Statement (hereinafter referred to as the "Statement") carefully.

The "Product" in this Agreement and Statement refers to the "Kylin OS Desktop Operating System Software Product" developed and distributed by Kylin Software Co., Ltd., used for office work or building enterprise and government information infrastructure. "We" or "Kylin Software" refer to Kylin Software Co., Ltd. "You" refers to the user who pays the license fee and uses the Kylin OS Desktop Operating System and related products.

## Kylin OS End User License Agreement

Version Release Date: [August 25, 2025]

Version Effective Date: [August 25, 2025]

This agreement will explain the following to you:

I. Usage License

II. Service Usage

III. Intellectual Property Terms

IV. Open Source Code Explanation

V. Third-Party Software/Services Explanation

VI. Disclaimer Clause

VII. Agreement Integrity and Severability Explanation

VIII. Applicable Law and Dispute Resolution

IX. Code of Conduct

X. Service and Support Usage

### I. Usage License

According to the number of licenses paid for this product and the type of computer hardware, we grant you a non-exclusive, non-transferable license, allowing only the employees of the licensee unit and authorized individuals to use the accompanying software, documentation, and defect repair patches provided by Kylin Software.

- **License Explanation**

Under the condition of complying with the terms and conditions of this agreement, if you are an educational institution (using Kylin OS Desktop Operating System (Education Edition)), the institution is allowed to use the accompanying unmodified binary format software only internally. "Internal use" here refers to the use of this product by the licensee unit, its employees under labor contracts, and students enrolled in the institution.

- ** Font Software Usage**

Font software refers to the software pre-installed in this product that generates font styles. You may not separate the font software from the software, modify the font software to add any functions not possessed when the font software was delivered as part of this product, embed the font software in other commercial products, or use it independently of this product. If you use the font software for external publicity or other commercial purposes, please contact the font copyright owner to negotiate and obtain permission for your related actions.

### 二、Service Usage

As a condition of your use of the services, you may not use the services for any illegal purposes or any purposes prohibited by these terms, conditions, and statements. No matter how you use the services, you may not damage or harm any Kylin Software server or the network connected to any Kylin Software server, render it inoperable or overloaded, nor interfere with any other party's use and enjoyment of any service. You may not attempt to gain unauthorized access to any service, other accounts, computer systems, or networks connected to any Kylin Software server or any service through hacking, password cracking, or any other method. Unless actively provided by the service, you may not obtain or attempt to obtain any materials or information through any other means. You may not attempt to copy, alter, or otherwise try to modify the service.

You agree that when using the services, you will not (the following are examples only and not limited to):

Defame, abuse, harass, stalk, threaten others, or otherwise violate the legal rights of others (such as the right to privacy and portrait rights).

Publish, post, upload, distribute, or disseminate any inappropriate, defamatory, obscene, indecent, or illegal topics, names, materials, or information.

Upload or otherwise provide files, photos, software, or other materials containing images protected by intellectual property laws, including (examples only, not limited to) copyright law or trademark law (or privacy or portrait rights), unless you own or control the relevant rights or have obtained all necessary permissions to do so.

Use any materials or information provided by the service, including images or photos, in any way that infringes any copyright, trademark, patent, trade secret, or other proprietary right of any party.

Upload files that contain viruses, Trojan horses, worms, time bombs, cancelbots, corrupted files, or any other similar software or programs that may damage the operation of another's computer or the property of another.

Advertise or offer to sell or buy any goods or services for any commercial purpose, unless such service explicitly allows such messages.

Falsify or delete any copyright management information, such as author attributions, legal notices, or other proper designations, proprietary names, source labels, software sources, or other material contained in uploaded files.

Violate any code of conduct or other guidelines that may apply to any service.

Collect or otherwise collect relevant information about others, including email addresses.

Violate any applicable laws or regulations.

Create a false identity to mislead others.

Use, download, or otherwise copy or provide (whether for a fee or not) any directory or usage information of service users or other users, or any part thereof, to any individual or entity.

Kylin Software always reserves the right to disclose any information in order to comply with any applicable laws, regulations, legal procedures, or government requests, and the right to edit, refuse to publish, or delete any information or materials in whole or in part at its sole discretion.

### III. Intellectual Property Terms

- **1.Trademarks and Logos**

This product is protected by copyright law, trademark law, other laws, and international intellectual property conventions. We or our licensors retain ownership of this product and all related intellectual property rights. This agreement does not grant any rights, ownership, or interest in any trademark, service mark, logo, or trade name of us or our licensors. Any use of Kylin Software marks, logos, or trade names by you should benefit Kylin Software. You shall not use any Kylin Software trademark or logo without our written consent.

- **2.Regarding Copying, Modification, and Distribution**

You can and must copy, modify, and distribute the software in the Kylin OS Desktop Operating System product that complies with the GNU GPL (GNU General Public License) in accordance with the GNU GPL, provided that this agreement remains unchanged in all copies. Other Kylin OS Desktop Operating System software products that do not comply with the GNU GPL must be copied, modified, and distributed according to relevant laws and other license agreements. However, any derivative distribution based on the Kylin OS Desktop Operating System software product may not use any of our marks, logos, or trade names without our written authorization.

Special Note: This copying, modification, and distribution does not include any software in this product that is not applicable to the GNU GPL, such as the input method software, font software, third-party application software, etc. contained in the Kylin OS Desktop Operating System software product. Unless prohibited by applicable law, you may not copy, modify (including decompiling or reverse engineering), or distribute the aforementioned software.

### IV. Open Source Code Explanation

For any open source code contained in this product, no term of this agreement limits, restricts, or otherwise affects any corresponding rights or obligations granted to you by any applicable open source license or the various conditions you should comply with.

### V. Third-Party Software/Services Explanation

Any software provided to you by us as part of the service is subject to these terms, unless accompanied by a separate Kylin Software license agreement. For example, if an application product you use is included in and is part of this product, then that application is subject to the terms of this Kylin OS End User License Agreement.

If you comply with this agreement, we grant you the right to install and use one copy of the software on each device during your use of the service. For certain devices, the software may be pre-installed for your personal and non-commercial use. Software or websites that are part of the service may include third-party code. Any third-party scripts or code (linked to or referenced from the software or website) are licensed to you by the third party owning such code (not the product provider). Please note that the inclusion of any such third-party code is for your reference only.

The software is not sold but licensed. We reserve all rights to the software not expressly granted (whether by implication, estoppel, or otherwise). This license does not give you the right to, and you shall not:

Bypass or circumvent any technical protection measures in the software or service or related thereto.

Disassemble, reverse compile, decrypt, attack, emulate, exploit, or reverse engineer any software or other aspects of the service contained in or accessible through the service, unless expressly permitted by applicable copyright law.

Use components of the software or service on different devices separately.

Publish, copy, rent, lease, sell, export, import, distribute, or lend the software or service, unless we explicitly authorize you to do so.

Transfer the software, any software license, or any right to access or use the service.

Use the service in any unauthorized manner that may interfere with anyone else's use of the service or access to any service, data, account, or network.

### VI. Disclaimer Clause

- **1.Limited Warranty**

We warrant to you that, for ninety (90) days from the date of purchase or other legal acquisition of this product (subject to the sales contract date), the storage medium (if any) of this product is free from defects in material and workmanship under normal use.

- **2.Disclaimer**

Except for the above limited warranty, the software is provided "as is" without any express or implied conditions, statements, and warranties, including any implied warranties of merchantability, fitness for a particular purpose, or non-infringement, for which we assume no liability, except where this disclaimer is deemed legally invalid.

- **3.Limitation of Liability**

To the extent permitted by law, in no event, under any theory of liability, and regardless of the cause, shall we or our licensors be liable for any loss of profits, loss of revenue or data, or for special, indirect, consequential, incidental, or punitive damages arising from or related to the use or inability to use the software (even if we have been advised of the possibility of such damages). Under this agreement, in any case, whether in contract, tort (including negligence), or otherwise, our liability to you shall not exceed the amount you paid for the software. The above limitations apply even if the above warranty fails of its essential purpose.


### VII. Agreement Integrity and Severability Explanation

- **1.Agreement Integrity**

This agreement is the complete agreement between us and you regarding the use of the product. It supersedes all prior or contemporaneous oral or written communications, proposals, representations, and warranties inconsistent with this agreement. During the term of this agreement, any conflicting or additional terms in any quotation, order, receipt, or other communication between the parties regarding the content of this agreement shall be subject to this agreement. Any modification to this agreement is not binding unless made in writing and signed by the authorized representative of each party.

- **2.Severability**

If any provision of this agreement is found to be unenforceable, the said provision shall be removed, and this agreement shall remain in effect, unless such removal would prevent the fundamental purpose of the parties from being achieved (in which case this agreement shall terminate immediately).

### VIII. Applicable Law and Dispute Resolution

- **1.Governing Law Applicability**

Any dispute resolution related to this agreement (including but not limited to litigation, arbitration, etc.) shall be governed by the applicable laws of the People's Republic of China. The choice of laws of any other country or region shall not apply.

Any dispute related to this agreement, if the parties cannot reach consensus through negotiation, you agree to submit to the competent people's court at the domicile of Kylin Software for litigation resolution.

- **2.Termination**

If the software becomes, or in the opinion of either party is likely to become, the subject of an intellectual property infringement claim, either party may terminate this agreement immediately. This agreement is valid until terminated. You may terminate this agreement at any time, but you must simultaneously destroy all originals and copies of the software. If you fail to comply with any provision of this agreement, this agreement will terminate immediately without notice from us. Upon termination, you must destroy all originals and copies of the software and shall bear legal liability for failure to comply with this agreement.

### IX. Code of Conduct

By agreeing to these terms, you agree to abide by the following rules when using the services:

Do not engage in any illegal behavior, nor attempt to generate or share illegal content.

Do not engage in activities that exploit, harm, or may harm children.

Do not engage in fraudulent, false, or misleading activities (e.g., soliciting money under false pretenses, impersonating others, creating fake accounts, automating inauthentic activities, generating or sharing intentionally deceptive content) or engage in defamation or slander.

Do not circumvent any restrictions on access to, use of, or availability of the service.

Do not engage in activities harmful to you or others (e.g., spreading viruses; stalking; attempting to generate or share content that harasses, bullies, or threatens others; publishing terrorism or violent extremist content; spreading hate speech; or advocating violence against others).

Do not infringe the rights of others (e.g., sharing copyrighted music or other copyrighted materials without authorization, or taking photos or video/audio recordings of others without consent for processing personal biometric information or other service uses).

Do not engage in activities that infringe upon the privacy or data protection rights of others.

Do not help others violate these rules.

### X. Service and Support Usage

Creating an Account. You can create a Kylin ID account by registering online. When registering for a Kylin ID account, you agree not to use any false, inaccurate, or misleading information. In some cases, if you share your Kylin ID account and password with a third party, the third party may have additional control over your Kylin ID account, such as deleting your account. Kylin Software will not bear any responsibility. If you create a Kylin ID account on behalf of an entity (such as your business or employer), you declare that you have the legal authority to bind that entity to these terms. You may not transfer your Kylin ID account credentials to other users or entities. To protect your account, please keep your account details and password confidential. You are responsible for all activities that occur under your Kylin ID account.

Account Deactivation: Users have the right to apply for account deactivation. The Kylin OS Desktop Operating System provides a convenient deactivation portal. After deactivation, user avatars will be deleted, and only necessary data such as tax compliance and violation logs (retained for no more than 3 years) will be retained as required by law. The retained data will be anonymized to avoid user identification. Users need to back up critical data themselves. Accounts cannot be recovered after deactivation, and legal responsibility for actions prior to deactivation is not exempted. After account deactivation, Kylin Software is not responsible for backing up and storing other content besides the retained data listed above.

Logging out of your account. You can log out of your Kylin ID account at any time for any reason. When you log out of your Kylin ID account, you can log in again at any time in the future, which will reactivate your Kylin ID account. If your Kylin ID account is logged out, we will save the data associated with your Kylin ID account. When you log in again, you can continue to view the content.

## Kylin OS Privacy Policy Statement

Dear Users of Kylin OS Desktop Operating System and Related Products:

This agreement describes your rights, obligations, and the prerequisites for your use of this product. Please read the terms of this agreement, supplementary license terms (collectively referred to as the "Agreement") and the Kylin OS Desktop Operating System Privacy Policy Statement (hereinafter referred to as the "Statement") carefully.

The "Product" in this Agreement and Statement refers to the "Kylin OS Desktop Operating System Software Product" developed and distributed by Kylin Software Co., Ltd., used for office work or building enterprise and government information infrastructure. "We" refers to Kylin Software Co., Ltd. "You" refers to the user who pays the license fee and uses the Kylin OS Desktop Operating System and related products.

Version Release Date: [August 25, 2025]

Version Effective Date: [August 25, 2025]

We take personal information and privacy protection very seriously. In order to ensure the lawful, reasonable, and appropriate collection, storage, and use of your personal privacy information, and to transmit and store it under safe and controllable conditions, we have formulated this Statement. We will provide corresponding security protection measures for your personal information in accordance with legal requirements and industry mature security standards.

This Statement will explain the following to you:

I. About the Collection and Use of Your Personal Information

II. How Your Personal Information is Stored and Protected

III. How to Manage Your Personal Information

IV. Privacy Explanation Regarding Third-Party Software/Services

V. About Minors Using the Product

VI. How This Statement is Updated

VII. How to Contact Us

### I. How We Collect and Use Your Personal Information

- **1.Circumstances of Collecting Personal Information**

The product license activation mechanism generates a machine code for applying for a formal product license based on information such as the network card, firmware, and motherboard of the computer you use through an encryption mechanism and conversion method. You send this machine code to Kylin Software business personnel to apply for a formal license activation according to the contract and related agreements. This machine code does not directly contain specific information about the network card, firmware, motherboard, and other equipment of the computer you use.

The server side of the product's software store will connect based on the CPU type information and IP address of the computer you use. At the same time, we will collect information related to your use of the product's software store, including but not limited to the time the software store is opened, interactions between pages, search content, downloaded content, etc. The collected relevant information is generally recorded in the log of the software store's server system, and the specific storage location may vary depending on different service scenarios.

Collect personal information such as email address, telephone number, and name from you due to business dealings and technical services.

The product's biometric management tool supports system components using biometrics for authentication, including fingerprints, finger veins, irises, voiceprints, etc. The biometric information you enter will be stored on the local computer. We only receive the verification result and will not collect or upload this information. If you do not need to use biometrics for system authentication, you can turn off this function in the biometric management tool.

The product provides a recording function. When you use the product's recording software, we will only store the audio content during your recording on the local computer and will not collect or upload it.

The product's service and support function will collect logs, email addresses, telephone numbers, names, and other information provided by you to us to facilitate technical services. We will properly keep your personal information.

During the product upgrade process, if it is necessary to newly collect your personal information, we will update this section in a timely manner.

- **2.Circumstances of Using Personal Information**

The data we collect provides you with a rich interactive experience. We strictly comply with legal regulations and agreements with you, and use the collected information for the following purposes. If we exceed the following purposes, we will explain it to you again and obtain your consent.

Needs related to product license mechanisms, software store usage, system update maintenance, biometric identification, online services, etc.

We use relevant information to help improve product security, reliability, and sustainable service.

We use the collected information (e.g., the email address, telephone number you provided) to communicate directly with you. For example, business contact, technical support, or service follow-up.

We use the collected data to improve the current ease of use of the product, enhance the user experience (e.g., personalized recommendations in the software store), and fix product defects.

Personalize our products and make suggestions.

We will use the collected user behavior data for big data analysis. For example, we use the collected information to analyze and form heat maps of cities or industry insight reports that do not contain any personal information. We may publicly disclose and share statistically processed information without identity recognition content with our partners to understand how users use our services or to let the public understand the overall usage trends of our services.

We also use data to operate our business, which includes analyzing our performance, complying with legal obligations, expanding our workforce, and conducting investigations.

We may use your relevant information to provide you with advertisements more relevant to you on related websites, applications, and other channels.

To comply with relevant requirements of laws and regulations, departmental rules, and government directives.

- **3.Information Sharing and External Provision**

We will not share or transfer your personal information to third parties, except in the following cases:

After obtaining your explicit consent, we will share your personal information with third parties;

For the purpose of external processing, we may share your personal information with affiliated companies or other third-party partners (third-party service suppliers, contractors, agents, application developers, etc.). We will use encryption, anonymization, and other means to protect your information security;

We will not publicly disclose the collected personal information. If public disclosure is necessary, we will inform you of the purpose of this disclosure, the type of information disclosed, and any sensitive information that may be involved, and obtain your consent;

As our business continues to develop, we may undergo mergers, acquisitions, asset transfers, and other transactions. We will inform you of the relevant situation and continue to protect, or require the new controller to continue to protect, your personal information in accordance with laws and regulations and standards no lower than those required by this Statement;

If our use of your personal information exceeds the purpose stated at the time of collection and the scope of direct or reasonable relevance, we will inform you again and obtain your consent before using your personal information.

- **4.Exceptions to Obtaining Authorization and Consent**

Directly related to national security, national defense security, and other national interests;

Directly related to major public interests such as public security, public health, and public知情;

Directly related to criminal investigation, prosecution, trial, and execution of judgments;

Necessary for safeguarding the life, property, and other significant legitimate rights and interests of you or other individuals, but where consent cannot be obtained from the person themselves;

The personal information collected is disclosed by you to the public on your own initiative;

Personal information collected from legally publicly disclosed information, such as legal news reports, government information disclosure, and other channels;

Necessary for concluding and performing a contract as requested by you;

Necessary for maintaining the safe and stable operation of the provided products or services. For example, discovering and handling product or service failures;

Necessary for carrying out statistical or academic research in the public interest, and when providing the results of academic research or descriptions to the outside world, the personal information contained in the results is de-identified;

Other circumstances stipulated by laws and regulations.

### II. How Your Personal Information is Stored and Protected

- **1.Location of Information Storage**

We will, in accordance with legal regulations, store the personal information collected and generated within China within China.

- **2.Duration of Information Storage**

Generally, we only retain your personal information for the time necessary to achieve the purpose or for the shortest period specified by laws and regulations. Information recorded in logs will be saved and automatically deleted after a certain period according to configuration.

When our product or service ceases operation, we will notify you by notice, announcement, etc., delete your personal information or anonymize it within a reasonable period, and immediately stop collecting personal information.

- **3.How We Protect This Information**

We strive to provide guarantees for the security of user information to prevent the loss, improper use, unauthorized access, or disclosure of information.

We will use security protection measures at a reasonable security level to ensure information security. For example, we use encryption technology and other means to protect your system-level account passwords.

We have established specialized management systems, processes, and organizations to ensure information security. For example, we strictly limit the range of personnel who have access to information and require them to comply with confidentiality obligations.

- **4.Contingency Plan**

In the event of a personal information breach or other security incident, we will lawfully initiate a contingency plan to prevent the security incident from expanding, and inform you of the situation of the security incident, the possible impact on you, and the remedial measures we will take by means of push notifications, announcements, etc. We will also report the handling of personal information security incidents to the regulatory authorities as required by laws and regulations.

### III. How to Manage Your Personal Information

If you are concerned about the leakage of personal information due to the use of this product, you can consider suspending or not using the relevant functions involving personal information according to personal and business needs, such as formal product license, application store, system update upgrade, biometric identification, etc.

When using third-party software/services on top of this product, please pay attention to personal privacy protection.

### IV. Privacy Explanation Regarding Third-Party Software/Services

The third-party software/services referred to in this agreement are related software/services developed by other organizations or individuals other than the manufacturer of the Kylin OS Desktop Operating System. When you install or use third-party software/services on top of this product, the privacy protection and legal responsibility of the third-party software/services are the responsibility of the third-party software/services themselves. Please carefully read and review the privacy statements or terms corresponding to the third-party software/services and pay attention to personal privacy protection.

### V. About Minors Using the Product

If you are a minor, you need the consent of your guardian to use this product and agree to the relevant service terms. Except for providing the information necessary for the product, we do not intentionally require minors to provide more data. After obtaining the consent or authorization of the guardian, the account created by the minor is regarded as equivalent to any other account. We have formulated special information processing rules to protect the personal information security of minors using this product. Guardians should also take appropriate preventive measures to protect minors and supervise their use of this product.

### VI. How This Statement is Updated

We may update this Statement at any time and will show you the changed Statement through the product installation process or the company website when changes occur. Using the service or any software licensed under these terms after these changes take effect means you agree to the new terms. If you do not agree to the new terms, you must stop using this product, please close the account you created on this product; if you are a guardian, please help your minor child close the account he or she created on this product.

### VII. How to Contact Us

If you have any doubts about this Statement or any other problems concerning privacy protection, please contact us via email([market@kylinos.cn](mailto://market@kylinos.cn "Market Email")); Customer Service Hotline 400-089-1870 or the official website ([www.Kylinos.cn](http://www.kylinos.cn "Official")) .

**Addresses:**

Building 3, Xinchuang Square, Tanggu Marine Science and Technology Park, Binhai High-tech Zone, Tianjin (300450)

Yingu Building, No. 9 Beisihuan West Road, Haidian District, Beijing (100190)

T3 Building, Fuxing World Financial Center, No. 303 Section 1, Furong Middle Road, Kaifu District, Changsha (410000)

Digital Entertainment Mansion, No. 1028 Fanyu Road, Xuhui District, Shanghai (200030)

**Telephone:**Tianjin (022) 58955650 Beijing (010) 51659955 Changsha (0731) 88280170 Shanghai (021) 51098866

**Fax:**Tianjin (022) 58955651 Beijing (010) 62800607 Changsha (0731) 88280166 Shanghai (021) 51557106

**Website:** [www.kylinos.cn](http://www.kylinos.cn "Official")

**E-mail:** [support@kylinos.cn](mailto://support@kylinos.cn "Tech Support Email")
