# 开通套餐、变更套餐、续费套餐

* 软件支持免费试用，目前可以永久免费使用10个窗口！
* 若想享有更多窗口及功能权限，请开通套餐、变更套餐！
* 开通套餐方法：客户端->点击左侧菜单项“浏览器窗口”->点击右上角按钮“开通套餐”，或者客户端->点击左侧菜单项“费用中心”->点击“开通套餐”按钮。
* “变更套餐”按钮、“续费套餐”功能在费用中心中！
* 如果套餐中附带的员工数量不够，需要更多的员工，请在“费用中心”页面的“变更员工”输入框中输入具体想增加的个数！

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# 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://doc.bitbrowser.cn/help1/kuai-su-ru-men/kai-tong-tao-can-bian-geng-tao-can-xu-fei-tao-can.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.