- In the admin panel, go to Extensions > Template Manager. The Template Manager screen will open.

- In the Template Manager table that opens, find the template used to render the website. As a rule, it has the following attributes:
- Default
- System Area – Site
- Display – Yes
- Click on the link in the Template column, then on the link Change the template of the main page or select the index.php file. After the <body> tag insert the button code (detailed instructions for obtaining the button code here).
- Save the template.

