How to make Google Internet Explorer's Primary Search Engine

By default IE uses msn.com as its search engine. But you can make IE search google by default using this registry tweak.
Start>Run
Type regedit
This opens the registry editor.
Now navigate to HKEY_CURRENT_USER \ Software
\ Microsoft \ Internet Explorer \ Main.Double-click the Search Page value, and in the Value data box enter http://www.google.com (overwriting existing entry).Select New > String Value from the Edit menu .Name the new value Search Bar.Double-click the Search Bar value, and in the Value data box enter http://www.google.com/ie.Go to HKEY_CURRENT_USER \ Software Microsoft \ Internet Explorer \ SearchURL. Double-click the (Default) value, and in the Value data box enter http://www.google.com/keyword/%s.Select the key HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Internet Explorer .Select New > Key from the Edit menu .Name the new key Search.With the Search key selected, Select Select New > String Value from the Edit menu .Name the new value SearchAssistant.Double-click the SearchAssistant value, and in the Value data box enter http://www.google.com/ie.Close the registry editor.
For this to work, make sure you haven't selected Do not search from the Address bar in Advanced options in Tools>Internet Options menu.