Install McAfee Product Key- The McAfee Internet Security Suite and antivirus programs are products produced by McAfee to help protect home, business, or school computers. McAfee requires a product activation for all products purchased online or from an in-store purchase. The activation feature required for McAfee products helps to minimize the negative impact of software piracy as well as to ensure your product is properly registered with the company in order to receive timely updates and news of computer malware threats that could threaten your security.