It's doesn't matter what way you used to sale your McAfee product. But You also must have redeemed your Mcafee Activation Code written on the Retail Card. Depending on your method of buy, you can find your McAfee Retail Card and then McAfee Product Key. If you want to get the McAfee from the online store then the McAfee Activation Key can found with the email that will send to you after the successful buy of your product. When you want to buy a McAfee Antivirus CD or DVD from a store, then the McAfee Activation Key can found inside the box, written on the Retail Card.
After you get the McAfee Activation Key, you can redeem it by following steps:-
.First, Start by opening the web browser on your computer device. .In the URL section, enter the McAfee.com/Activate and click Enter Key. .Now time enters the McAfee Activation Key here from the Retail Card. .This Product will be 25 character alphanumeric code which is unique for every different license. .And Click the Submit button when you are ready. The McAfee retail card will be redeemed. This step will also help you to confirm the McAfee license for you. Only then you will use to activate your product later after the installation. You need the McAfee.com/Activate product key to activate the McAfee Antivirus. When you redeem the McAfee Retail Card, the McAfee.com/Activate gets to know that the McAfee is ready for installation and activation.