Create a seller account on Amazon Seller Central
Enroll your products in Amazon Brand Registry if eligible
Go to the Advertising or Promotions section in Seller Central
Select Coupons
Choose the product or products you want to discount
Set the coupon discount amount or percentage
Set the coupon budget
Define the start and end dates
Review the coupon details
Submit the coupon for approval
Share the coupon link or code after it is activated