---
title: Astah Help Center
description: Astah Help Center
---
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- [Astah Website](https://astah.net/)
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### [Astah License FAQ: Activation & Renewal Answers to Astah licensing questions: managing and renewing licenses, perpetual license support, academic licenses, trials, and activation.](https://lp.astah.net/en/knowledge-base/astah-license-faq-activation-renewal?hsLang=en)
- [How do I recover a lost license file?](https://lp.astah.net/en/knowledge-base/i-lost-my-license-file?hsLang=en)
- [How to transfer an Astah license to another user within the same company](https://lp.astah.net/en/knowledge-base/transfer-license-to-colleague?hsLang=en)
[See more](https://lp.astah.net/en/knowledge-base/astah-license-faq-activation-renewal?hsLang=en)
### [ChangeVision Members Account FAQ How to create a ChangeVision Members account, log in, reset your password, and resolve verification email problems.](https://lp.astah.net/en/knowledge-base/changevision-members-account-faq?hsLang=en)
- [Creating Your Change Vision (CV) Members Account](https://lp.astah.net/en/knowledge-base/create-cv-members-account?hsLang=en)
- [This is my first time to login after CV Members renewal. How do I login?](https://lp.astah.net/en/knowledge-base/login-after-renewal?hsLang=en)
[See more](https://lp.astah.net/en/knowledge-base/changevision-members-account-faq?hsLang=en)
### [Buying Astah: Orders, VAT & Discounts How to buy Astah licenses online: downloading your license after purchase, discount coupons, VAT numbers, regional sales tax, subscription cancellation, and reseller discounts.](https://lp.astah.net/en/knowledge-base/buying-astah-orders-vat-discounts?hsLang=en)
- [How to Cancel Your Astah Subscription](https://lp.astah.net/en/knowledge-base/i-want-to-cancel-my-subscription?hsLang=en)
- [Applying a VAT Number for Online Purchases](https://lp.astah.net/en/knowledge-base/apply-vat-id-online-store?hsLang=en)
- [How to Download Your License After an Online Purchase](https://lp.astah.net/en/knowledge-base/download-online-store-license?hsLang=en)
- [Applying a Discount Coupon at the Astah Online Store](https://lp.astah.net/en/knowledge-base/apply-discount-coupon?hsLang=en)
[See more](https://lp.astah.net/en/knowledge-base/buying-astah-orders-vat-discounts?hsLang=en)
### [Astah Installation & Setup FAQ How to download and install Astah, choose a build with or without a bundled JRE, change the display language, apply a faculty site license, and configure AI Chat Copilot, LLMs, the MCP server.](https://lp.astah.net/en/knowledge-base/astah-installation-setup-faq?hsLang=en)
- [How to Download Older Versions](https://lp.astah.net/en/knowledge-base/how-to-download-older-versions?hsLang=en)
- [Setting up AI Services in Chat Copilot](https://lp.astah.net/en/knowledge-base/setting-up-ai-services-in-astah-chat-copilot?hsLang=en)
[See more](https://lp.astah.net/en/knowledge-base/astah-installation-setup-faq?hsLang=en)
### [Astah Feature Guides & Modeling Tips Guides for exporting and printing from Astah, including how to generate PDF files from your diagrams.](https://lp.astah.net/en/knowledge-base/astah-feature-guides-modeling-tips?hsLang=en)
[See more](https://lp.astah.net/en/knowledge-base/astah-feature-guides-modeling-tips?hsLang=en)
### [Diagram Editing in Astah: How-To FAQ How to edit diagrams in Astah, including activity diagrams with swimlanes (partitions) and statemachine diagrams.](https://lp.astah.net/en/knowledge-base/diagram-editing-in-astah-how-to-faq?hsLang=en)
- [Adding Swimlanes (Partitions) in Astah](https://lp.astah.net/en/knowledge-base/adding-swimlanes-partitions-in-astah?hsLang=en)
[See more](https://lp.astah.net/en/knowledge-base/diagram-editing-in-astah-how-to-faq?hsLang=en)
### [Using the Astah Interface: FAQ Basics of working with the Astah interface, including how to export diagrams as images in Astah Professional and Astah UML.](https://lp.astah.net/en/knowledge-base/using-the-astah-interface-faq?hsLang=en)
- [How to Export Diagrams as Images in Astah Professional and Astah UML?](https://lp.astah.net/en/knowledge-base/export-diagram-as-image-location?hsLang=en)
[See more](https://lp.astah.net/en/knowledge-base/using-the-astah-interface-faq?hsLang=en)
### [Astah Product Specs & Compatibility Astah compatibility and interoperability, including how to import Cameo (.mdzip) files into Astah SysML and Astah System Safety.](https://lp.astah.net/en/knowledge-base/astah-product-specs-compatibility?hsLang=en)
- [Importing Cameo (.mdzip) Files into Astah SysML and System Safety](https://lp.astah.net/en/knowledge-base/cameo-mdzip-compatibility-sysml-systemsafety?hsLang=en)
[See more](https://lp.astah.net/en/knowledge-base/astah-product-specs-compatibility?hsLang=en)
### [Getting Technical Support for Astah How to request technical support for Astah products and how to share project files with our team while protecting confidential data.](https://lp.astah.net/en/knowledge-base/getting-technical-support-for-astah?hsLang=en)
- [How to Request Technical Support for Astah Products](https://lp.astah.net/en/knowledge-base/how-to-receive-technical-support?hsLang=en)
- [How to Provide Project Files for Support While Protecting Confidential Data](https://lp.astah.net/en/knowledge-base/how-to-send-confidential-project-files?hsLang=en)
[See more](https://lp.astah.net/en/knowledge-base/getting-technical-support-for-astah?hsLang=en)
### [Troubleshooting Common Astah Issues Solutions for common Astah problems: startup failures, license errors, file corruption, display issues, and performance problems.](https://lp.astah.net/en/knowledge-base/troubleshooting-common-astah-issues?hsLang=en)
- [AI Code Reverse Option Missing in Astah](https://lp.astah.net/en/knowledge-base/astah-ai-code-reverse-not-visible?hsLang=en)
[See more](https://lp.astah.net/en/knowledge-base/troubleshooting-common-astah-issues?hsLang=en)
### [Astah Software Updates & Upgrades How to update Astah to a newer version, including why perpetual license holders may be unable to update.](https://lp.astah.net/en/knowledge-base/astah-software-updates-upgrades?hsLang=en)
- [I have a perpetual license but I cannot update to a newer version. Why?](https://lp.astah.net/en/knowledge-base/i-cannot-update-software?hsLang=en)
[See more](https://lp.astah.net/en/knowledge-base/astah-software-updates-upgrades?hsLang=en)
### [Reporting a Bug in Astah How to report a bug in Astah, locate and export log files, and collect AI Chat Copilot diagnostic data.](https://lp.astah.net/en/knowledge-base/reporting-a-bug-in-astah?hsLang=en)
- [How to Locate and Export Astah Log Files](https://lp.astah.net/en/knowledge-base/locating-astah-log-files?hsLang=en)
- [How to Submit a Bug Report](https://lp.astah.net/en/knowledge-base/how-to-submit-a-bug-report?hsLang=en)
- [How to Locate AI Chat Copilot Log Files](https://lp.astah.net/en/knowledge-base/ai-chat-copilot-log-location?hsLang=en)
[See more](https://lp.astah.net/en/knowledge-base/reporting-a-bug-in-astah?hsLang=en)
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