The greatest danger comes from the source. Cracks and keygens from unauthorized websites are a common vector for malware, viruses, and spyware.

Keygens frequently contain Trojans that can record keystrokes or install ransomware, which could lock your existing data permanently. No Technical Support:

Searching for a "high quality" keygen for version 6.6 implies that such a thing is a safe alternative. This is a dangerous misconception. The terms "keygen," "crack," and "serial key" are often associated with malware.