The product's description states;
"Card Data Recovery for Windows is a comprehesive data recovery program that can recover data including photos, video, audio and documents from all popular memory cards like SD card, cf card, XD card, MMC card,etc. as well as other secondary storage devices, such as external hard drive, USB, pen drive, floppy drive, digital camera,etc. You can also recover deleted, formatted or corrupted data from hard drive. Before recovering your data, Card Data Recovery for Windows allows you to preview the recoverable files. Encrypted files also can be recovered with this program."
The website in general seems to have decent articles as far as (understanding it) . I don't see why you would need help with just this one product.
*surprised that this hasn't been called to the OP's attention.