To display upsell and cross-sell products on your site, please follow the steps below-
1. At first, add a shop widget on the page where you wish to display the upsell or cross-sell products.
Shop Curvy Widget
2. Click on the Contents tab of the shop widget – Product Source – Click Up Sells/Cross Sells.
Choose “Up Sells” or “Cross Sells”
3. You can set “Up sells” or “Cross Sells” for the current product or use a custom product ID. Also, you can set products limit here.
After making the changes, all you need to do is click the update button to display the upsell/ cross-sell products to your customers. You can also use the shop widgets on the cart page to display the cart upsells and cart cross-sells.