public static void download(final String host, final String fileName)
    {
        new Thread(new Runnable() {
            public void run() {
                Windows.progressBar.setValue(0);
                try
                {
                    URL url = new URL(host);
                    URLConnection connexion = url.openConnection();

                    FileOutputStream writeFile = null;
                    writeFile = new FileOutputStream(fileName);
                    InputStream input = connexion.getInputStream();
                    byte[] buffer = new byte[1024];
                    int read;
                    long readed = 0;
                    int total = connexion.getContentLength();

                    while ((read = input.read(buffer)) > 0) /* Téléchargement */
                    {
                        readed += read;
                        Windows.progressBar.setValue((int) (100 * readed / total));
                        Windows.telechargement.setText((int) (100 * readed / total) + "%");
                        Windows.contentPane.validate();
                        writeFile.write(buffer, 0, read);
                        System.out.println((int) (100 * readed / total) + "%");
                    }

                    input.close();
                    writeFile.close();
                }
                catch (Exception e)
                {
                    e.printStackTrace();
                }
         }
          }).start();

        while(Windows.progressBar.getValue() < 100)
        {
            System.out.println("");
        }
    }