As with any software tool that modifies a device's firmware or settings, there is a risk of damaging the device if the process is not carried out correctly.
There is no "official" Nokia-branded SPD unlocker for free public download. The tools you find online under this name are typically community-developed "cracks" or generic service tools for devices with chipsets. nokia spd unlocker tool v10exe free
: Proper SPD USB drivers must be installed on the PC for the software to detect the handset. As with any software tool that modifies a