The app is an extension of the theme. You need to add it to the theme first. All settings are done in the Theme Editor in Shopify. To install the app block to your theme, please follow these instructions: Related ArticlesHow to use a custom cart IconDoes Candy Rack support Online Store 2.0?Does Candy Cart support Online Store 2.0?Does Gift Box support Online Store 2.0?How to add Zasilkovna widget to the new checkout