1. Initially, you have to identify the AlignerCo discount code you're keen on from this page and click on Get Code, located on the right side of the title.
2. After clicking once, you'll see the offer code displayed and copied automatically to your clipboard.
3. The next thing to do is to go back to alignerco.com, enter the shopping settlement page, and paste the promo code that was copied just now.
4. As a final step, you need to press 'Apply Code' to view the size of the discount on your current order.