1. First thing you have to do is to create a new Windows Appliccation form in Visual Basic.
  2. Create a form with a "Textbox"  , a "WebBrowser" and a "Button" from Toolbox.
  3. Arrange them as you like.
  4. Double click the Button and insert the code below.

 

Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        WebBrowser1.Navigate(TextBox1.Text)
 End Sub