Step - 1 Open the page of the product you want to purchase and add it to the cart
Step - 2 After adding the product in the cart on that page you will see the gift option in the right at the bottom of the page.
Step - 3 Click on the gift option and there you will see the free gift you are getting with your product. Select that gift, it will redirect you to that free product page then you have to add that product in your cart.
Step - 4 Then you will see that you will getting that product for free then you have to fill all the contact information and after that click on continue to shopping
Step - 5 Then add the payment method and your order is done.