If you are looking for a free or low-cost way to recover your data without the risks of using illegal serial keys, consider these options:

Often paired with PhotoRec, this is a free tool used to recover lost partitions and fix disk boot sectors.

The moment you realize files are missing, stop using the drive. Every new file saved to that drive could overwrite the "invisible" data you are trying to recover.

When you download a "crack," "keygen," or a "verified serial" from an unofficial source, you are bypassing the developer's security. This leads to several major issues: