How to add products to product list:

1) Under "Site" menu on left side of builder

2) Select "Pages"

3) Double click on the page you wish to add your product/s

4) Click on the "Elements" tab on the right

5) Double click on the "Product List" element

6) Click on the "+" icon at the bottom

7) Here you can select 1 or more products to add *use the "ctrl" key to highlight multiple products*

Make sure to preview before publishing