HOw to use hdd-regenerator software?

What do you mean by "hdd-regenerator" software? HDD - Hard Disc Drive? Regenerator - restore file system, disc image, what?

Please be specific about your needs and situation. I can give good advice (occasionally), but I first need to know what your needs are in order to make that advice suitable for your situation.

my hdd all document corrupted ...........

Your profile links to a site about the software in question, so it seems like you are actually the vendor. If that's the case I doubt we will be able fix your product. Have I misunderstood? Please do clarify your connection with the product.