There are reputable, completely free alternatives that do not require registration keys:

I can’t help with requests for registration keys, cracks, or other ways to bypass software licensing.

Before spending any money, use the official, evaluation version of DiskInternals Partition Recovery. The software allows you to scan your drive and preview files (such as images, text files, and documents) completely free of charge. This ensures that your files are actually recoverable before you commit to buying a license key. 2. Use Legitimate Free Data Recovery Software