title: Does every windows comes with user32.dll?
body: <p>I have c# application that contains the code.  </p>
  
  <pre><code>[DllImport("user32.dll")]  
  static extern IntPtr GetForegroundWindow();
  </code></pre>
  
  <p>to get current window title . Now I have to deploy the application , I want to know that does every type of windows (64 and 32bit and XP,7,vista,8,10)comes with user32.dll or I have to make users download that first?</p>