Microsoft's activation servers maintain records of activated devices. While casual users are unlikely to face consequences, Microsoft can theoretically detect that a device was activated through unofficial means. Microsoft has demonstrated the ability to remotely invalidate activations, as seen with the KMS38 method in November 2025.
However, using third-party activators involves significant trade-offs regarding security, system stability, and legality. What is Re-Loader Activator 3.3? reloader activator 33 windows office fixed full version work