Important Notice:

• You must own the base game to activate this DLC. This product is sold as a bundle of multiple 15-minute codes. Be sure to redeem each code gradually, as redeeming too many at once may result in an 'Invalid' error.
• Go to the following website: 
  https://www.callofduty.com/redeem 
  Select your platform 
  Redeem the code and follow the instructions on screen.