1. Copy the discount code of DECIEM you want on the page and click to get code.
2. Next, you'll witness the offer code being showcased and auto-copied to your clipboard.
3. Following this, you'll be required to go back to the checkout page of deciem.com, spot the promotional code box, and input the code you copied earlier.
4. Ultimately, by clicking 'Apply Code', you will be able to see the discount amount on your existing order.