> ## 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 CoreCommerce store? In this help guide, we will try to illustrate how you can install Poptin on your CoreCommerce store. 1. Click on the hamburger menu from the dashboard which will open different menu items on left ![](https://storage.crisp.chat/users/helpdesk/website/7a34af3b43dae400/image_gkxvi8.png) 2. Click on DESIGN > Edit HTML/CSS. ![](https://storage.crisp.chat/users/helpdesk/website/7a34af3b43dae400/image_1hvnfsd.png) 3. Select the header.html file to edit. ![](https://storage.crisp.chat/users/helpdesk/website/7a34af3b43dae400/image_1jlnbev.png) 4. Navigate to Installation Code > Any Website and Click on Copy to copy your installation code from Poptin Dashboard. ![](https://storage.crisp.chat/users/helpdesk/website/7a34af3b43dae400/image_1m3yuc5.png) ![](https://storage.crisp.chat/users/helpdesk/website/7a34af3b43dae400/image_1q3zkwz.png) 5. Now paste the previously copied installation code in the section and hit Publish. ![](https://storage.crisp.chat/users/helpdesk/website/7a34af3b43dae400/image_sj4red.png) 6. Create a popup and it should be showing on your website. ![](https://storage.crisp.chat/users/helpdesk/website/7a34af3b43dae400/image_1rcumov.png)