If you have a discount coupon you can apply it within the renew or upgrade subscription operation on the Order Checkout page.
1. Click on have a discount code and apply the coupon code.
2. Enter the provided coupon
3. Verify that the coupon has been applied correctly. If it's 100% discount, it will remove the payment details from the form and your total amount should be 0.
4. Enter your personal details and click on the Place Order button.
Please make sure that you apply the discount coupon before checking out.