使用 System.Net.WebClient.DownloadFile
Dim remoteUri As String = "http://belajar123.com/materi.zip"
Dim fileName As String = "materi.zip"
Dim password As String = "..."
Dim username As String = "..."
Using client as new WebClient()
client.Credentials = New NetworkCredential(username, password)
client.DownloadFile(remoteUri, fileName)
End Using
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