> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://setubridge.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Enable the app embed block

Learn how to enable the app embed block. This guide will help you activate the app embed block to seamlessly integrate functionality into your store.

* Navigate to your **admin **-> **Themes page**.
* Click the **Customize** button on the top right of your main theme.

![](https://storage.crisp.chat/users/helpdesk/website/ec822f1cb1c6a000/screenshot-35_29lmt.png)

You will be redirected to the theme editor page.

* On the theme editor page, click the **App embeds** button

![](https://storage.crisp.chat/users/helpdesk/website/ec822f1cb1c6a000/screenshot32_cfxzmc.png)

* The App embeds area will appear  named **Estimated-delivery-days**. Toggle the button to enable this option.
* Save the theme.

Alternatively, click the **Activate app embed Block** button provided in app backend, and enabled the **Estimated-delivery-days** app  block.

Be sure to click **Save** after making changes.

 If you have any other questions or need assistance, feel free to reach out to us.