This Windows client works for the following Zosi NVR models:

4-Channel NVRs:

ZR04JB;  

8-Channel NVRs:

ZR08KB;  ZR08QB;

Wireless Security System:

ZHS-A2120W

You can download the PC Client from the below link:

https://s3.amazonaws.com/ansjerfilemanager/ZOSICloud_3.0.1.2.exe

Mac Client:

https://s3.amazonaws.com/ansjerfilemanager/ZOSICloud-mac-2.0.7.dmg

If this can't help you, please feel free to contact us.