1. The first step is to seek out the SketchBox promo code that catches your eyes on this page and hit the Get Code, found on the right side of the coupon title.
2. Next, you'll witness the offer code being showcased and auto-copied to your clipboard.
3. You'll subsequently have to navigate back to the SketchBox's checkout page, locate the promo code box, and insert the code you just duplicated into it.
4. As a final step, you need to press 'Apply Code' to view the size of the discount on your current order.