We clearly inform you of the rights and responsibilities of the service so that you can use ASTERON KMS with confidence.
Current status Now availableEffective date August 21, 2026Last change October 7, 2026
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Key points of these terms and conditionsPersonal edition is installable software for one user. The user's original files are managed by the user, and additional conditions displayed on each screen may apply to paid subscriptions, cloud functions, Google Drive, Calendar, Notion, and Microsoft 365 integration.
These Terms and Conditions set the conditions for use of ASTERON KMS and related services provided by Taeyung Information & Communication Co., Ltd. (hereinafter “Company”) through its software brand ASTERON SYSTEMS. You agree to these Terms and Conditions by completing the process of installing the product, creating an account, applying for a subscription, or agreeing to the Terms and Conditions.
01
Purpose and scope of application
These terms and conditions apply to ASTERON KMS Windows applications, ASTERON accounts/licenses, updates, cloud AI, customer support, and additional functions provided by the Company as part of ASTERON KMS.
These Terms also apply to the Universal Shelf Windows application provided by the Company and its paid features (Universal Shelf Pro). The Universal Shelf Pro lifetime licence is a one-time payment and does not renew.
If a separate agreement is entered into between the company and the user or organization regarding Team or Enterprise products, that agreement takes precedence over these Terms and Conditions. Where separate terms and conditions of the app market, payment agency or external service apply, those terms and conditions also apply.
02
Definition of terms
Service: All or part of the ASTERON KMS application and accounts, licenses, updates, AI and support features
User: An individual or organization that installs or uses the Service in accordance with these Terms and Conditions.
Account: ASTERON account created or connected by the user to use the service and check the license.
Edition: Product grades with separate functions and usage conditions such as Lite, Standard, Pro, etc.
Local data: Document index, email copy, schedule, project, memo, report and settings stored on the user's PC
Cloud features: Login, license, synchronization, AI and update functions using the company's or external provider's server via the Internet
03
Effect and change of terms and conditions
The company discloses these terms and conditions so that they can be easily viewed on the website and within the product. Changes that are not disadvantageous to users will be notified at least 7 days before the effective date, and changes that significantly affect users' rights or obligations will be notified of the changes and reasons at least 30 days in advance.
If the user continues to use the service after the effective date of the changed terms and conditions, he or she will be deemed to have agreed to the changed terms and conditions. However, for changes that require separate explicit consent under the law, the relevant procedures will be followed. If users do not agree to the changes, they can cancel their subscription and end use of the service before the effective date.
04
Accounts and Eligibility
Users must provide accurate and up-to-date account information and safely manage their authentication methods and devices.
You must not sell, rent, transfer, or share accounts or licenses with third parties. An exception is made for organizational licenses separately permitted by the Company.
Any person agreeing on behalf of an organization warrants that they have the authority to bind that organization to these Terms.
Persons under the age of 14 cannot use the service. Minors must not conduct transactions that require the consent of their legal representative without that consent.
You must immediately notify the Company if you become aware of any breach of security or unauthorized use of your Account.
05
Service and Editions
The company provides features such as document indexing and search, project workspace, mail and calendar, notifications, document actions, AI questions, briefings, change analysis, reports and decision support by edition.
Lite is provided free of charge within the range indicated by the company, and some functions, capacity, and usage may be restricted.
Standard and Pro are paid editions that provide the features and usage amounts indicated on the purchase screen.
Team and Enterprise are separate contractual services that reflect organizational environment, shared storage, security policy, and existing system linkage.
There is a separate Beta, Preview labels may apply.
Specific features, pricing, usage and technical requirements are governed by the product description shown at the time of purchase or installation. If there is a conflict between the product description and these Terms and Conditions, the more specifically presented and agreed upon terms and conditions shall take precedence.
06
Software License
The Company grants the User a limited, non-exclusive, non-transferable license to use ASTERON KMS on permitted devices and purposes as long as the User complies with these Terms and Conditions of Purchase. Neither the ownership nor the intellectual property rights of the software itself are transferred to the user.
Personal license is, in principle, for one user. The number of devices allowed and conditions for simultaneous use are displayed on the purchase screen or account screen. Shared use among members of an organization, provision of servers, resale, or service agency requires a Team·Enterprise agreement or prior written permission from the company.
Except as explicitly permitted by relevant laws, users must not copy, modify, reverse engineer, decompile, or disassemble the software or circumvent license or technical protection measures.
07
User Data and Connected Services
Rights in the documents, email, schedules, and project materials you process remain with you or the lawful rights holder. We process that data only as needed to provide the service, as described in the Privacy Policy.
Original business documents and most KMS data are stored on the user's PC. Users must maintain appropriate backups of their original and local data.
When running cloud AI, the minimal context required to fulfill a request can be transmitted to the company's AI relay service and external AI providers.
Connection to Google Drive·Calendar, Notion, and Microsoft 365 is optional and operates only within the scope selected, shared, and permitted by the user. Users can unlink at any time in their account settings for the app or service.
Drive·Notion·OneDrive·OneNote document linking is read-only. ASTERON stores the searchable extracted text and synchronization status on the user's PC without moving, modifying, or deleting the original.
Some functions may be affected by external service failures, policy changes, or account restrictions, such as mail, calendar, external documents, AI, and payment.
Users must have the necessary rights to the data they connect to or process with ASTERON KMS, and must comply with laws and organizational security policies applicable to the processing of personal information, trade secrets, and copyrighted works.
08
User Responsibilities and Prohibited Conduct
Users must not do the following:
Accessing or attempting to access another person's account, data, or system without permission.
Malicious code distribution, service overload, vulnerability exploitation, security/usage limit bypass, or automated bulk requests
Processing or creating content that is illegal, infringing, fraudulent, discriminatory, harassing, or infringes on the rights of others.
Using AI results as the sole basis for important decisions such as life, safety, medical, legal, credit, and employment without human review
Misleading people into thinking that the service or results are guaranteed or approved by the company, or impersonating someone else.
Unauthorized disclosure, sharing, or reselling of product source, model, authentication method, license key, beta build, or distribution file.
09
Paid Services, Billing, and Auto-Renewal
Prices, billing cycles, taxes, promotions, usage limits, and renewal terms for paid editions appear on the order or payment screen. Unless stated otherwise, monthly and annual subscriptions renew for the same term until canceled and are charged to the payment method on file.
The company may change the price or edition configuration, and existing paid users will be notified in advance of the effective date and changes.
If payment fails, the company may attempt to repay or temporarily restrict paid features. Access will be restored upon payment within a reasonable period of time.
Promotions, coupons and free trials are subject to separately indicated periods and conditions.
Users can cancel their subscription before the next payment date, and unless otherwise instructed, paid features can be used until the end of the payment period.
Paid subscription orders are processed by our online reseller Paddle.com. Paddle is the Merchant of Record for these orders and handles payment, tax calculation and remittance, invoicing, and payment-related customer service; Paddle's Buyer Terms also apply to these orders. The software license, license keys, and product support are provided by the Company. Paddle Buyer Terms
10
Cancellation and Refunds
Users may request cancellation of subscription within 7 days from the date of receiving the written contract regarding the contract details or the date the paid service was provided, as prescribed by relevant laws and regulations. However, if the provision of digital content has begun with the user's prior consent or if there are reasons for restrictions stipulated by law, cancellation of subscription may be restricted, and the company will inform you of this fact and any necessary measures under the law, such as trial use, before payment.
If the service is provided differently from what was displayed, advertised, or contracted, the user may request cancellation of subscription or cancellation of the contract within 3 months from the date of supply and 30 days from the date on which the user became aware of the fact or could have known about it.
If a refund is approved, the company will refund the refund through the payment method according to the method and deadline set by relevant laws and regulations. If you purchased through an app market or payment agency, you may need to use that provider's refund process. Refunds for the remaining period following simple cancellation by the user are subject to the conditions displayed on the payment screen and relevant laws and regulations.
Submit a cancellation or refund request with your payment account, payment date, and order ID to [email protected].
Detailed refund criteria and how to request a refund are set out in our Refund Policy.
11
Beta and Preview Services
Beta or preview features are intended for verification prior to official release and may not be fully functional or may result in errors, interruptions, or data format changes. The company can separately set the beta period, audience, feature scope, and feedback conditions.
You should not rely solely on beta features and should maintain separate backups of important or irreplaceable material.
Private beta builds, documentation, accounts, or access should not be shared with any third parties.
Optionally provided feedback may be used to improve the product, but the user's document content or search terms are not automatically included in the feedback.
The company may change or terminate beta functions or not include them in the official service.
12
Changes, Maintenance, and Suspension
The company may change or discontinue part of the service for product improvement, security, changes in laws or external platform policies, equipment inspection, or operational needs. Planned changes or interruptions that have a significant impact on users will be notified in advance to the extent possible.
In cases where prior notification is difficult, such as natural disasters, communication network failures, cyber attacks, external service failures, or emergency security measures, we will notify you without delay after taking action. The Company makes reasonable efforts to provide stable services and minimize data loss.
13
Termination and Restrictions
Users can cancel at any time from the account or subscription screen or request cancellation from the company. You must back up any necessary local data and results prior to termination.
The company may restrict use if the user seriously violates these terms and conditions or laws, or if there is an imminent risk to the safety or rights of others or service security. Except in urgent cases, we will inform you of the reason for the restriction and how to appeal and provide a reasonable correction period.
After termination of your account or subscription, data stored on the server will be deleted in accordance with our privacy policy. Local data stored on the PC must be deleted manually by the user, and all local data may not be automatically deleted simply by deleting the program.
14
Intellectual Property
The intellectual property rights of ASTERON KMS, website, design, logo, documents, software and content provided by the company belong to the company or the rightful owner. Open source components are subject to their respective open source licenses.
Rights to results such as search results, memos, and reports created by users based on their own data are subject to relevant laws and the rights of the original data. The company does not acquire ownership of the user's local results.
15
AI Output, Warranties, and Liability
Summary, extraction, comparison, briefing, report and decision-making data provided by AI are intended to assist work. AI results may contain omissions or errors, so users must check the original text and evidence and take responsibility for their final judgment and implementation.
Unless there is intent or gross negligence, the Company may limit its liability to the extent permitted by law for damages arising from free services, beta functions, problems with the user's device, network, or external service, the user's failure to perform backups, or violation of these Terms and Conditions. Liability that cannot be limited by law, such as the company's intent or gross negligence or violation of personal information protection obligations, is not limited.
If the company's liability is acknowledged, the scope of damages shall be based on ordinary and direct damages, but if otherwise stipulated in applicable laws or separate contracts, it shall follow.
16
Notices, Contact, and Dispute Resolution
The company may notify you of matters related to the service and terms and conditions through account email, in-product notifications, or website notices. Users must keep their contact email address up to date.
Service ProviderTaeyung Information & Communication Co., Ltd.
The laws of the Republic of Korea apply to these Terms and Conditions and the Service. If a dispute arises, the company and the user will negotiate in good faith, and if it is not resolved, it will be resolved in a court of competent jurisdiction in accordance with relevant laws such as the Civil Procedure Act. Consumers can request help from relevant dispute resolution organizations such as the Korea Consumer Agency.
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