Proceed to Checkout: Go to your cart and click Proceed to checkout.
Locate the Code Box: On the Select a payment method page or the final Place Your Order page, find the section labeled Gift Cards and Promotional Codes (or "Use a gift card, voucher, or promo code").
Enter the Code: Type or paste your promotional code exactly as specified without extra spaces before, inside, or after.
Apply the Discount: Click the Apply button or arrow icon to trigger the discount calculation.
Verify and Place Order: Check your final order summary to confirm that the promotion has been subtracted from your total before clicking Place your order.