"Negative Lab Pro" is a paid software tool (a Lightroom plugin for converting film negatives). Distributing, using, or promoting cracked versions is software piracy, which is illegal and violates the terms of service for almost any platform—including this one. It also carries real risks for users (malware, data loss, lack of updates, no support).
The developer offers a so you can see if it fits your workflow before spending any money:
Use the Tone Curve to invert the image (drag the top-right point to the bottom, and bottom-left to the top).
Your film photos deserve better than a virus.
If you have questions or technical issues, you can get support from the developer directly.