Erase hard drive data on your computer by Zero Write to protect your important information. DiskDeleter ZW will delete hard drive data on your computer to protect your personal information by one time zero write. After erasing data by DiskDeleter ZW, it is impossible to recover it by any data recovery software. DiskDeleter ZW has the following functions: - View each byte of disk contents - Delete hard disk data with Zero Write - ReFormat disk - Save report on each of deleted disk. You can check the delete report by booting from the disk. - Confirm the delete result by comparing disk contents of Before Delete and After Delete - Easy to use wizard interface