Create Multiple Thread in C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;
namespace MultipleThread
{
    class Program
    {
        static void Main(string[] args)
        {
            Thread thread = new Thread(DefferentThread);
            thread.Start();
            while (true)
            {
                Console.WriteLine("This is MainThread");
            }
        }
        static void DefferentThread()
        {
            while (true)
            {
                Console.WriteLine("This is DefferentThread");
            }
        }
    }
}