public bool DownloadFeed()
    {
        string user = "xxx";
        string password = "pwd";

        WebClient web = new WebClient();
        System.Net.WebClient wc = new System.Net.WebClient();
        wc.Credentials = new System.Net.NetworkCredential(user, password);
        System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
         wc.DownloadFile(@"https://Entered RSS Feed URL here",
                             @"H:importTest.xml");
        return true;

    }