# License

### 1) How to Purchase <a href="#id-1-how-to-purchase" id="id-1-how-to-purchase"></a>

To obtain a license key, you need to purchase the product on our [store](https://www.yanusstudio.com/ystore).

<figure><img src="https://docs.yanusstudio.com/~gitbook/image?url=https%3A%2F%2F3479593160-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FaCVNsar8ZEfoLG1XkC2o%252Fuploads%252FAjyEULFq8iA2VeixUFGS%252Fimage.png%3Falt%3Dmedia%26token%3Dec4f55fe-1d5e-4ff3-a6e7-7c52a9afbc22&#x26;width=768&#x26;dpr=4&#x26;quality=100&#x26;sign=7018e6ed&#x26;sv=1" alt=""><figcaption></figcaption></figure>

After your purchase, an email with the code will be sent to the address you provided.

If you are a company or planning to buy multiple copies, you can contact our sales department at **<sales@yanusstudio.com>** for convenience.

### 2) Activation / Deactivation <a href="#id-2-activation-deactivation" id="id-2-activation-deactivation"></a>

* To activate the product, you need to click on the `"License"` option in the `"Help"` menu. This will bring up the license activation window.

<figure><img src="/files/yDMhsp9X5sk51DEe88jS" alt=""><figcaption></figcaption></figure>

* In this menu, you can enter the code in the "License Key" field and then click the "Activate" button.

<figure><img src="/files/bXl4Q4fUWzrTc09ng76j" alt=""><figcaption></figcaption></figure>


---

# Agent Instructions: 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.yanusstudio.com/yanusretarget/installation/license.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.
