The legitimate demo process is free, safe, and takes 2 minutes:

While the demo key is technically required to unlock the full functionality of the commercial product, obtaining it through unauthorized channels poses a severe threat to the user's data security—ironically, the very thing they are trying to save. The safer, more technical approach for those without budget is to pivot toward open-source alternatives like PhotoRec, which offer the recovery capabilities of paid software without the security risks associated with software piracy.

: They offer different tiers depending on whether you are an individual, a business, or a forensic professional.