pnputil /add-driver "C:\Drivers\SPD_R420\spdprint.inf" /install
: A futuristic tale where a "Driver" has to bypass security using a custom (Secure Protocol Data) software package labeled R420 to break into a corporate server.
: Newer versions like R4.20 are designed to work seamlessly with modern Windows security protocols. How to Install SPD Driver R4.20