Pytanie o obsługę portu RS pod Windows10/11 z fizycznym postem USB

using System;
using System.IO;
using System.IO.Ports;
using System.Threading;

static class Program
{
    static void Main()
    {
        try
        {
            using (SerialPort port = new SerialPort("COM3", 115200, Parity.None, 8, StopBits.One))
            {
                port.Open();
                while (true)
                {
                    if (port.BytesToRead > 0)
                    {
                        File.AppendAllText(@"output.txt", port.ReadExisting());
                    }
                    Thread.Sleep(100);
                }
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex.Message);
        }
    }
}

c:\Windows\Microsoft.NET\Framework\v4.0.30319\csc /t:exe program.cs