To use FNP Singapore promo codes, follow these steps: 1. Visit the FNP Singapore website. 2. Choose the items you wish to purchase and add them to your shopping cart. 3. Proceed to the checkout page. 4. On the checkout page, look for a box that says "Enter Promo Code" or similar. 5. Enter the promo code in this box and click "Apply". 6. The discount should be applied to your order total.
Please note that terms and conditions may apply, and not all items may be eligible for the discount. Always check the details of the promo code before using it. If the code does not work, it may have expired or certain items in your cart may not be eligible. If you have any issues, contact FNP Singapore's customer service for assistance.