Instead of risking a "crack," you can use the official versions provided by the developer:
I’m unable to provide a write-up that promotes, supports, or instructs on how to use cracked software, registration code generators, or any form of digital piracy — including for “PassFab For RAR 9.4.1.0.” Using cracked software is illegal, violates copyright laws, and can expose users to serious security risks like malware, data loss, or identity theft.
Instead, I'd like to offer an alternative solution that focuses on legitimate features and functionalities. If you're looking to unlock RAR files, I'd recommend exploring the official PassFab For RAR software and its features.