> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.poptin.com/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).

# How to install Poptin on your Shift4Shop (previously: 3dcart) store?

We've made it really easy to install Poptin on your Shop4Shift store! And don't forget, you only have to do this once for each domain, no matter how many Poptins you have.

1. Go to your Shift4Shop admin panel and click on Design in the left side bar then navigate to Header & Footer  >  Global Header  >  and turn off the WYSIWYG Mode.

![](https://storage.crisp.chat/users/helpdesk/website/7a34af3b43dae400/image_qh2eif.png)

2. Copy the code you got from the first email we sent you. You can also find it when you click "Installation Code" in the top bar of your Poptin dashboard.

![](https://storage.crisp.chat/users/helpdesk/website/7a34af3b43dae400/install-1_t4bd4b.png)

![](https://storage.crisp.chat/users/helpdesk/website/7a34af3b43dae400/install-2_qv6skv.png)

3. Paste the code you just copied from Step 2 inside the Global Header box and click the save button to save your configuration.

![](https://storage.crisp.chat/users/helpdesk/website/7a34af3b43dae400/image_a6d8oi.png)

4. That's it. You're all set. Visit your Shift4Shop store to verify your Poptin.

![](https://storage.crisp.chat/users/helpdesk/website/7a34af3b43dae400/image_14y479j.png)