Shop for you voucher's corresponding product or offer and the products you want to purchase and then click "Add to Bag".
When you're done shopping, click the bag icon found at the top right corner of the page to proceed to checkout.
Review your items on your shopping bag.
To redeem your discount, click "Do you have a promotion code?" found just below your order and a box will appear labelled as "Please enter your promo code". Simply type in or paste your voucher code and click "Apply". Your subtotal will then be adjusted accordingly.
Click "Checkout" to sign to your account with your email and password or if you're a "New Customer", simply enter your email address and click "Continue" to proceed.