Legacy Netsurveillance plugins are Windows-only (ActiveX). Fix: You cannot run this on a native Mac. Use a Windows virtual machine (Parallels/VMware) or switch to a third-party ONVIF viewer like SecuritySpy or VLC (which does not require the plugin for RTSP streams).
Provides a live dashboard to view multiple camera feeds simultaneously through a web browser. netsurveillance web plugin
Once you visit your camera's IP in IE Mode, you should see the login screen with a download prompt. Legacy Netsurveillance plugins are Windows-only (ActiveX)