Activador Office works by either generating a legitimate-looking activation key or by modifying system files to disable the activation checks imposed by Microsoft Office. Some versions of the tool use methods such as replacing specific system files or altering the Office registry entries to create the appearance that Office has been activated. However, these methods can be risky as they might corrupt your Office installation or expose your system to malware. Always be cautious when using such tools and consider legitimate alternatives for activating software.