How do I set up cross-selling and upselling on Shopify?

To set up cross-selling and upselling on your Shopify store: Go to the "Apps" section of your Shopify admin and browse the available cross-selling and upselling apps. Choose an app that meets your needs and click the "Add app" button to install it. Follow the prompts to set up the app and configure any options or settings. Use the app to create cross-selling and upselling campaigns or display related products on your store. There are several apps available in the Shopify App Store that offer cross-selling and upselling features, such as personalized product recommendations, abandoned cart recovery, and related product displays. You can use these apps to increase sales and improve the customer experience on your store. To get started with cross-selling and upselling, you will need to choose an app and follow the instructions provided to set it up. You can then start creating campaigns and displaying related products to your customers.