Upselling is the technique of selling an advanced version of a product that customers already have (or are intending to buy) by proactively recommending the appropriate products to your customers.
1. Enable Product Upsell feature
Go to Theme Options > Product page > Upsell > Enable upsell.
In this option, you can set the Heading, Sub Text, Design Title, Number of products to view, and Number of products per slide.
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2. How to use Product Upsell Feature?
Step1: From the sidebar > Products > All products > select the specific product you want to add.
Step2: Scroll down to Product data > Linked products.
Step3: In Upsells, select 1 (or more) products that you want to recommend to the customers.
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Result:
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