The Free Edition is real freeware designed without obligation to buy. It is intended for temporary and free use cases. For more frequent use, we recommend one of the advanced editions which include extended options for regular or professional use.
The download package contains a Windows program to easily create the DiskSpy disk, which includes DiskSpy as a floppy image and a manual in PDF format.
For professional use and for SCSI controllers, we recommend the use of one of the advanced editions of DiskSpy. With these, you can also change the data disks and have more options in the search.