It is a scam. There was no Mac version, so any key labeled "Mac" is either:
Modern macOS security (Gatekeeper, XProtect) will flag them, but some slip through. dirt 2 product key mac
: A review of how the Mac version performs on modern hardware (like Apple Silicon M1/M2/M3 chips) versus older Intel Macs. Troubleshooting It is a scam
The short answer is