Best antivirus software: 14 top tools

The AV-TEST Institute recently tested the most popular Windows 10 client antivirus products on three primary criteria: protection, performance, and usability. Only six of the 18 products tested earned a perfect rating of 6 for each of those criteria: Bitdefender Endpoint Security 6.6, Kaspersky Lab Endpoint Security 11, Kaspersky Small Office Security 6, Microsoft Windows…