No, using KMSPico Activator is not considered safe. While it might activate Windows or Office temporarily, it poses several risks. Firstly, it is illegal and violates Microsoft’s terms of service. Secondly, downloading KMSPico from unofficial websites can expose your system to malware, viruses, and other malicious software. These can compromise your personal data and the security of your device. It is always recommended to use genuine software to ensure full functionality and security.