1. Initially, you have to identify the Moo discount code you're keen on from this page and click on Get Code, located on the right side of the title.
2. You will subsequently see the offer code appear and get automatically copied to your clipboard.
3. You'll then have to return to the checkout page of moo.com, find the designated box for the promo code, and enter the discount code you had previously copied.
4. In the end, you have to click 'Apply Code' to determine the discount you've received on your current order.