When you enter this, the software verifies it against its internal cryptographic seed. If you copy a key from the internet, it will almost certainly fail because the hash generated on your PC does not match the hash the key was originally generated for.
How to Get TransMac Working: Trial, License Keys, and Setup Guide license key for transmac work
It is most commonly used by IT professionals and hobbyists who need to create a macOS bootable USB installer from a Windows machine. Why You Need a License Key When you enter this, the software verifies it
Copy and paste the "Licensee Name" and "Product Key" exactly as provided. When you enter this
If you purchased a key but didn't receive it, check your spam or junk folders, as license delivery is automated via FastSpring Software Origin: