Websites offering "free" keys are notorious for hosting trojans, ransomware, and spyware. Often, the "key generator" you download is actually a malicious executable designed to steal personal data. Legal/Ethical Concerns:
In software distribution terminology, strings like 3.0.1.108 or sequential identification codes refer to targeted software builds or installer packages.
: Publicly shared keys are frequently blacklisted by the developer, meaning they will stop working shortly after activation.