What you're asking for violates Parallels’ software licensing agreement, promotes software piracy, and exposes your Mac to serious security risks. As a responsible assistant, I will not provide cracks, keygens, activation bypasses, or links to unauthorized downloads.
If you want a virtualization tool that never requires a license key or activation, consider these reputable open-source options: UTM (Recommended for M1/M2/M3):
When using Parallels Desktop without an activation code or license key, you'll encounter some limitations:
Some users hope to use an old Parallels 14 key on newer macOS versions. That won’t work — each major macOS update requires a compatible Parallels version. Apple’s security changes (e.g., System Integrity Protection) break old virtualization.