The Upsell Pop-Up add-on displays a pop-up recommending products for shoppers based on what is in their shopping cart.
In the Debutify Shopify theme, you can create a wide range of product recommendations in the upsell blocks.
How to Add More Upsell Pop-ups
STEP 1
In Shopify admin, click on Online Store.
STEP 2
Select your Debutify Shopify theme and click on Customize.
STEP 3
Click on Upsell Popup.
STEP 4
Click on an Upsell or click on add Upsell.
STEP 5
Add products to Upsell.
STEP 6
Click Save to apply the changes.