Software "activators" are tools designed to bypass the official product activation systems of software like Microsoft Windows and Office. They work by emulating a legitimate Key Management Service (KMS) server, tricking the software on your computer into thinking it has been properly activated through a corporate network. While activators may allow you to use software without a genuine license, they are not legitimate software and are not distributed by official channels. Furthermore, activators are often flagged by antivirus software due to the nature of their operation, which can involve modifying system files or settings.