To use WPDigiPro Variable Products addon for WPDigiPro, you need to go to your WPDigiPro dashboard and navigate to Products > Add New. There you need to select the Variable Product option from the Product Type dropdown menu. Then you need to enter the product name, description, price, category, etc. You also need to add the variations that you want to offer for the product from the Variations section. You can add as many variations as you want and set their name, description, price, image, deliverable file, etc. You can also upload an image for the product and set the license key option if needed