You have 2 options :
You received a promotion code for a new offer : Click on the concerned offer and follow the instructions here.
You received a promotion code for your current offer : Edit you offer by following the instructions here.
You have 2 options :
You received a promotion code for a new offer : Click on the concerned offer and follow the instructions here.
You received a promotion code for your current offer : Edit you offer by following the instructions here.