It works with FAT12, FAT16, FAT32 , and NTFS file systems.
If you cannot find a valid key for version 2.97, several modern data recovery tools offer free tiers or more robust features for newer Windows versions: Recover4all Professional Download Recover4all-professional 2.97 Register Key
Insert the USB into the affected computer and run the program. Do not download it directly to the drive where you lost data. It works with FAT12, FAT16, FAT32 , and NTFS file systems
Choose the drive or partition that contained the deleted files. It works with FAT12
While version 2.97 is a legacy build, it is traditionally compatible with Windows 98 through Windows 7, and even some newer systems in compatibility mode.
The tool can recover files deleted from the Recycle Bin or those bypassed entirely via "Shift+Delete".