: The root certificate used to sign many MultiKey drivers (AddTrustExternalCARoot) expired in 2020 and was later revoked. Microsoft Windows 10 and 11 often block these drivers even if "Disable Driver Signature Enforcement" is active.

If you need dongle emulation for legitimate purposes, consider these modern alternatives:

because it modifies system-level drivers. Always source these tools from trusted repositories to avoid malware. Disclaimer