how to check which ports are open in windows code example

Example 1: how to check the ports in use in windows cmd

netstat -aon

Example 2: how to check for open ports in windows

netstat -an

Example 3: how to check the ports in use in windows cmd

netstat -ab

Example 4: see what ports are in use

Get-Process -Id (Get-NetTCPConnection -LocalPort portNumber).OwningProcess