After you redeem the card, you can download and install yourMcAfee software and activate your subscription.1. Open a web browser and go to the linkshown on your retail card (for example mcafee.com/activate).
2. Select your country and language. ...
3. Type: ...
4. Click Submit.
5. When prompted, check that your EmailAddress is correct.
Know more For more information: McafeeCustomer Service Number | McafeeCustomer Support Number