Open an Internet Explorer from C# Application

First of all add reference the SHDocVw.dll to the apllication.

             object o = null;
            SHDocVw.InternetExplorer ie = new  SHDocVw.InternetExplorerClass();
            IWebBrowserApp wb = (IWebBrowserApp)ie;
            wb.Visible = true;

            //Do anything else with the window here that you wish
            wb.Navigate("http://google.com", ref o, ref o, ref o, ref o);

Internet Explorer 8, Illustrated Essentials