Actually, Microsoft designed the new browser that way so that there is more room for browsing. However, if you want the menu bar (the one with File, Edit, View, Favorites, etc) back, follow these steps:
That will do it. You can't move the menu bar above the new address bar, but at least it will be visible and usable from now forward. For those of you who just want quick access to the menu bar, but don't mind that it is missing, remember the Alt key trick to get the menu bar to appear when you need it.
Links:
[1] https://www.paypal.com/cgi-bin/webscr?cmd=_xclick&business=rick@yourpcpartner.com&item_name=Buy
[2] http://www.yourpcpartner.com/node/1142
[3] http://www.yourpcpartner.com/node/1140