How to place Free Gift thumbnails through the theme editor
If you want to start using the Free gift thumbnails
on product pages then you’ll probably want to know how to place it using the theme editor.
First, you have to be sure that the app is activated according to the guide below:
In Shopify admin
Go to Online Store > Themes.
Click the Customize button near your theme name.
Click App embeds.
Click the SpurIT BOGO Free Gift Upsell toggle switch to activate it.
Click Save.