1. Replicate the promo code for Vitruvian you wish to use from the page, and click to get code.
2. You'll observe the offer code being displayed and automatically copied to your clipboard after a single click.
3. Then go back to the shopping checkout page of vitruvianform.com, where you can find the promo code box and paste the code into it.
4. In the end, you have to click 'Apply Code' to determine the discount you've received on your current order.