What you might find: . Someone might have shared a key from a university bundle or a beta test period. But these are dead on arrival for the current version of Disk Drill (v4 and above).
Not for safe, working, long-term use.
: Many users express frustration that the Mac version is strictly "pay-to-play" for any significant recovery, unlike the Windows version which may offer a 500MB free limit. Disk Drill Premium Activation Code Mac Reddit