Biometric devices rely on the ZKTimeNet SDK or the standalone Standalone SDK to transmit data like user fingerprints, facial templates, and clock-in logs. The zkemkeeper.dll file is a COM (Component Object Model) component.
Most issues come from using the wrong DLL version or missing runtimes. Stick to official SDK files, and it will work reliably on 64‑bit Windows. zkemkeeper.dll install 64 bit
For running on a 64-bit OS, copy the 32-bit SDK files into: C:\Windows\SysWOW64 Biometric devices rely on the ZKTimeNet SDK or