Set default page in Asp.Net MVC

In the project ->  App_Start ->  RouteConfig.cs 

public static void RegisterRoutes(RouteCollection routes)

{

            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

            routes.MapRoute(

                name: "Default",

                url: "{controller}/{action}/{id}",

                   defaults: new { controller = "Home", action = "Register" id = UrlParameter.Optional }

            );

}