The "Full Version" (as opposed to the trial/demo) removes the restrictions usually found in the free version:

No installation is needed; it runs immediately, which is ideal for troubleshooting non-bootable computers.

According to the developers, approximately of hard drive physical bad sectors are actually caused by such correctable magnetic anomalies, rather than permanent physical scarring of the platter. For these specific cases, the technique may restore data access without needing to permanently hide the sector, as a low-level format or a remapping utility would.

Can be used to create bootable USB flashes or CDs to repair drives even if the operating system won't load. Prescan Mode: