> For the complete documentation index, see [llms.txt](https://docs.d5render.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.d5render.com/d5-account-and-purchase.md).

# D5 Account & Purchase

- [How to register and login D5 account?](https://docs.d5render.com/d5-account-and-purchase/how-to-register-and-login-d5-account.md): Key words: D5 Account & Purchase | Register and Login
- [Download and Installation](https://docs.d5render.com/d5-account-and-purchase/download-and-installation.md)
- [How to install D5 Render?](https://docs.d5render.com/d5-account-and-purchase/download-and-installation/how-to-install-d5-render.md)
- [How to install plugins?](https://docs.d5render.com/d5-account-and-purchase/download-and-installation/how-to-install-plugins.md)
- [Education Version FAQs](https://docs.d5render.com/d5-account-and-purchase/education-version-faqs.md): Key words: D5 Account & Purchase | EDU
- [Secondary Verification Instruction Guide for EDU License](https://docs.d5render.com/d5-account-and-purchase/secondary-verification-instruction-guide-for-edu-license.md): Key words: D5 Account & Purchase | EDU
- [How to get technical support?](https://docs.d5render.com/d5-account-and-purchase/how-to-get-technical-support.md): Key words: D5 Account& Purchase | Technical Support
- [Version Comparison](https://docs.d5render.com/d5-account-and-purchase/version-comparison.md)
- [Subscription and Unsubscription](https://docs.d5render.com/d5-account-and-purchase/subscription-and-unsubscription.md)
- [Where to download and edit invoice?](https://docs.d5render.com/d5-account-and-purchase/where-to-download-and-edit-invoice.md): Key words: D5 Account & Purchase | Invoice
- [How to Change Your D5 Account Email?](https://docs.d5render.com/d5-account-and-purchase/how-to-change-your-d5-account-email.md): Change email | Change binding | Account Email


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.d5render.com/d5-account-and-purchase.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.