Installing Upsells & Cross Sells Shopify App
- From the Shopify App Store listing, follow instructions and approve application permissions & charges.
Once the app has been added to your Shopify store and you're able to access the app dashboard, please navigate over to Sales Channels -> Online Store.
Select Customize Theme for the theme you'd like the preview the app. Under Application Embeds, make sure to activate the toggle and save the changes to Customize Theme.