> For the complete documentation index, see [llms.txt](https://magecomp.gitbook.io/shopify/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://magecomp.gitbook.io/shopify/apps/wow-product-options/add-app-block.md).

# Add App Block

After installing the app to your Shopify store, to begin with, adding multiple product options, you will need to **add an app block** on your store, for which you will be redirected to the app's backend, where you will be provided with a **quick guide**.

<figure><img src="/files/lgGfHj7uXJK0jO9FoXcP" alt=""><figcaption></figcaption></figure>

You need to select the **Integrate with your theme** button. After that, you will be redirected to the backend of your default product page in the theme section.

<mark style="color:blue;">**Step #1**</mark>

Search for the **Template** section in the default product's backend.

<mark style="color:blue;">**Step #2**</mark>

Select the **Add Block** option in the templates.

<mark style="color:blue;">**Step #3**</mark>

Switch to **Apps**, and select **WOW Product Options** to add the block.

**Step #4**

Select the **Save** button to save the configuration.

<figure><img src="/files/1fk13U6Kqqw0PQfv9LQa" alt=""><figcaption></figcaption></figure>

After saving this configuration, you can begin with the creation of your product variant options.