How to Unblock Certain Websites in Internet Explorer?

How to unblock or allow certain websites like Myspace and Yahoo in Internet Explorer? It depends on what internet browser you use but the method is almost similar. All you need to do is to go to Tools on the top menu. Then select Internet Options and lastly click on Security which is in tab. A Security window appear, and displays four icons which are Local intranet, Internet, trusted sites and restricted sites. Add the sites you want to unblock in Internet Explorer in trusted sites. Enter the site URLs and press add.