Many activators found on unofficial sites are trojanized, meaning they contain malware, spyware, or backdoors that can steal your data or compromise your system.
If you previously had an activated version of Windows, your digital license is often linked to your hardware or Microsoft account and can be reactivated by signing in after a reinstall.
KMS-based cracks often only activate Windows for 180 days , requiring you to keep the potentially harmful software on your machine to "renew" the license periodically. Safer Alternatives to Activation Cracks