To redeem a promo code for an in-app purchase in the App Store on your Mac, please follow these steps:

  1. Open the App Store app on your Mac.
  2. Click on your account, located at the bottom-left of the App Store window.
  3. Then, click on "Redeem Gift Card" located at the top-right of the account screen.

Make sure to use the promo code within 28 days of receiving it. If you encounter any issues or need further assistance, open a ticket with us.