You can only recover files from the current panel (up to 4,000 files at a time). You cannot recover a complex folder structure (nested folders) in one click.
Many people search for a key because they don't realize the is actually one of the most capable free recovery tools on the market.
While the idea of finding a is tempting—especially when you’re staring at a "lost partition" or a deleted folder of family photos—it is important to understand the risks and the legitimate alternatives available.
Most sites offering free keys bundle the "activator" with Trojan viruses or ransomware. You might recover your photos only to have your entire drive encrypted by a hacker.