The original tool from hdd-tools.com was reportedly discontinued years ago. Most "4.4 crack" downloads found today are likely outdated or bundled with unwanted software.
Downloading and running a "cracked" version of 4.4 or any other version poses significant risks: Malware and Ransomware: A-ff Repair Station 4.4 Crack
Some sites still offer the original shareware version for evaluation. The original tool from hdd-tools