mcafee.com/activate : McAfee helps you to secure your Windows PC and Mac from different types of virus, worm, Trojan, and many others. To prevent malware from infecting your data on your computer, you need to download McAfee antivirus. Then, install the McAfee once you have completed the downloading process. After that, activate your McAfee product with 25-digit alphanumeric product key at mcafee.com/activate.