see what ports are in use windows code example

Example 1: find out process using port windows

netstat -ano | findstr 8080

Example 2: how to check the ports in use in windows cmd

netstat -aon

Example 3: how to check for open ports in windows

netstat -an

Example 4: cmd listening ports

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