using System;

public class Program

{

    public static void Main()

    {

                   var os = Environment.OSVersion;

      Console.WriteLine("Current OS Information:\n");

      Console.WriteLine("Platform: {0:G}", os.Platform);

      Console.WriteLine("Version String: {0}", os.VersionString);

      Console.WriteLine("Version Information:");

      Console.WriteLine("   Major: {0}", os.Version.Major);

      Console.WriteLine("   Minor: {0}", os.Version.Minor);

      Console.WriteLine("Service Pack: '{0}'", os.ServicePack);

        Console.WriteLine("OSDescription: '{0}'", System.Runtime.InteropServices.RuntimeInformation.OSDescription);

    }

}