The following clients are frequently used to connect to x11vnc servers: Download VNC Viewer by RealVNC®
To connect to an server from a Windows machine, you need a compatible VNC viewer (client) . While x11vnc is a server-side application for Linux/Unix, it uses the standard RFB (Remote Framebuffer) protocol, making it compatible with any major Windows VNC client. Top VNC Viewers for Windows x11vnc viewer windows download