1. Access Shopify Admin

Log in to your Shopify admin panel.

2. Navigate to Online Store

In the left sidebar, click on "Online Store" and then select "Themes".

3. Edit Code

Find the theme you are currently using and click on "Actions" > "Edit Code".

4. Locate theme.liquid

In the "layout" folder, find and click on "theme.liquid" to open it.

5. Insert Flowtag Script

Just before the closing </body> tag, insert the Flowtag script: