> For the complete documentation index, see [llms.txt](https://options-docs-v2.avisplus.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://options-docs-v2.avisplus.io/get-started/step-3-activate-the-app.md).
# Activate App
{% hint style="warning" %}
The app needs to be activated on the theme you want to add product options. Otherwise, your setting will not display on the Product page.
{% endhint %}
## Instruction
**1. Choose Themes**
Go to your Shopify Store Admin, click on ***Online Store -> Themes*** then find the theme you want to use the app on. On the theme you chose, click on ***Customize***
{% hint style="info" %}
You can also go to the activation page quickly with one click using the "***Activate app*****"** button on the app **"*****Avis option*****"** tab.
{% endhint %}
**2. Activate the app in your theme**
Click ***App embeds -> Add AvisPlus Options -> Save*****.**
**After that, you're all set and can start using our app! 🎉**
*Need help? Let us know via in-app live chat or email: ***** :star\_struck: