Windows 11 Open Ports (Free Forever)
: Press Win + R , type perfmon /res , and press Enter. Navigate to the Network tab and expand Listening Ports to see a clear list of active services.
If you see a PID holding a port open and need to know exactly what program it is, you can combine commands to reveal the application name: powershell windows 11 open ports
Have questions about a specific open port on your Windows 11 machine? Run the commands above and consult the official Microsoft documentation for advanced firewall profiles. : Press Win + R , type perfmon /res , and press Enter
A port is considered “open” when a Windows service or application actively listens for incoming connections on that number. Windows 11 opens ports for legitimate reasons, such as: : Press Win + R