Zkfinger Sdk 5.3 Download 【VERIFIED × VERSION】

Here is a minimal example in C# using the .NET wrapper:

using ZKFingerLib;

public class BiometricService private ZKFinger m_finger = new ZKFinger(); Zkfinger Sdk 5.3 Download

public bool ConnectDevice()
int result = m_finger.InitEngine(12345); // App ID
    if (result == 0)
return m_finger.OpenDevice(0) == 0; // Open first device
return false;
public byte[] CaptureFingerprint()
byte[] template = new byte[2048];
    int size = 0;
    int quality = 0;
    if (m_finger.GetFingerprintTemplate(template, ref size, ref quality) == 0 && quality >= 50)
return template;
return null;

Note: You must reference ZKFingerNet.dll in your project and set "Copy Local" to true. Here is a minimal example in C# using the

Navigate to the SDK folder. You should find: Note: You must reference ZKFingerNet

Connect a compatible fingerprint reader and run the EnrollmentDemo.exe from the samples folder to test.

  • Note the installation path (default: C:\Program Files (x86)\ZKTeco\ZKFinger SDK 5.3\).
  • During installation, you may be prompted to install USB drivers for fingerprint readers. Allow this step.
  • Restart your computer after completion.