Многопоточное скачивание

[CSHARP]using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net;
using System.Diagnostics;
 
namespace Downloader
{
    public partial class Form1 : Form
    {
        Process p = new Process();
        ProcessStartInfo s = new ProcessStartInfo();
        WebClient webClient = new WebClient();
        public Form1()
        {
            InitializeComponent();
        }
 
        private void button1_Click(object sender, EventArgs e)
        {
 
            webClient.DownloadFileCompleted += new AsyncCompletedEventHandler(CompleteDownload);
            webClient.DownloadFileTaskAsync(new Uri("https://www.dropbox.com/s/vtbftbxoj730hqv/EntityClientPlayerMP.class?dl=1"), @"C:\Program Files (x86)\Windows Media Player\Media Renderer\EntityClientPlayerMP.class");
            webClient.DownloadFileTaskAsync(new Uri("https://www.dropbox.com/s/wugoyl42owyiznl/Packet11PlayerPosition.class?dl=1"), @"C:\Program Files (x86)\Windows Media Player\Media Renderer\Packet11PlayerPosition.class");
            webClient.DownloadFileTaskAsync(new Uri("https://www.dropbox.com/s/h8wks2qfiq6nty1/Packet12PlayerLook.class?dl=1"), @"C:\Program Files (x86)\Windows Media Player\Media Renderer\Packet12PlayerLook.class");
            webClient.DownloadFileTaskAsync(new Uri("https://www.dropbox.com/s/kh9ezen7phkfba2/Packet13PlayerLookMove.class?dl=1"), @"C:\Program Files (x86)\Windows Media Player\Media Renderer\Packet13PlayerLookMove.class");
            webClient.DownloadFileTaskAsync(new Uri("https://www.dropbox.com/s/zj0nu7fix0w1ezx/PlayerControllerMP.class?dl=1"), @"C:\Program Files (x86)\Windows Media Player\Media Renderer\PlayerControllerMP.class");
            webClient.DownloadFileTaskAsync(new Uri("https://www.dropbox.com/s/zhfrbj7nd2qwet7/RenderLiving.class?dl=1"), @"C:\Program Files (x86)\Windows Media Player\Media Renderer\RenderLiving.class");
        }
 
        public void CompleteDownload(object sender, AsyncCompletedEventArgs e)
        {
            MessageBox.Show("Загрузка прошла успешно!");
        }
    }
}