How to add FBT to a products?

1. In Shopify Admin Navigate to the Bundle & Upsell App.
2. Select Frequently Bought Together.
3. Click on Create FBT.
4. Add products you wish to assign Frequently Bought Together products.
5. The form will appear with the main product; click on Assign More FBT Product.
6. Add Frequently Bought Together products to the main product, then save the changes.

Offer Display:The Frequently Bought Together offer will now be created and displayed on the product page of your store for customers to see.