To redeem gift cards and codes, follow these steps:

1. Visit the platform and go to store.

2. Choose the item you want to purchase.

3. Proceed to the checkout.

4. In the "Discount Codes" or similar field, enter the code provided by the affiliate.

5. Apply the code.

6. Verify the discount on your order.

7. Complete the purchase as usual.

By following these steps, you can easily redeem your gift card or code for your desired item.