When you subscribe for any of such product designed by McAfee, you’ll be complimented with a mcafee.com/activate 25 digit code, which in r eality, is what you’re paying for. A unique 25-digit McAfee product key, commonly referred to as McAfee activation code, is mandatory to have in your inventory to proceed with download, activation, renewal process of McAfee subscriptions.mcafee.com/activate