✅ (if unsure): Copy the DLL to:
For 32-bit DLL on 64-bit OS:
Copy zkemkeeper.dll to C:\Windows\System32\ Why? 64-bit applications search System32 first. SysWOW64 is for 32-bit apps only. zkemkeeper.dll install 64 bit
To install and register the (the COM library for ZKTeco biometric devices) on a 64-bit Windows system, you must ensure the DLL matches your application's architecture and is registered with administrative privileges. Installation & Registration Guide ✅ (if unsure): Copy the DLL to: For
: If your application is 32-bit, copy the 32-bit version of zkemkeeper.dll to C:\Windows\SysWOW64 . 2. Registration via Command Prompt zkemkeeper.dll install 64 bit