AmirNahmadi2

           Using http As New HttpClient()
                Using resp = Await http.GetAsync(githubZipUrl)
                    If Not resp.IsSuccessStatusCode Then
                        Throw New Exception("Download failed: " & resp.StatusCode.ToString())
                    End If
                    Using fs As New FileStream(localZipPath, FileMode.Create, FileAccess.Write, FileShare.None)
                        Await resp.Content.CopyToAsync(fs)
                    End Using
                End Using
            End Using