public DownloadWindow(LicenceManager licenceManager, DownloaderService downloaderService)
{
InitializeComponent();
var cancellationToken = new CancellationToken();
this.licenceManager = licenceManager;
downloader = downloaderService;
Task.Factory.StartNew(() => StartListeningToDownloadChannel(downloader.GetChannelReader(), cancellationToken));
DisplayInstalledProducts();
}