That’s an rather unusual layout at first and many users will be devastated once they realize that they cannot change the order of the toolbars in Opera. It is still possible to arrange the elements of the toolbars but not the toolbars themselves. That’s the whole trick. To do that right-click a toolbar and select customize from the menu.

The Appearance menu opens showing the active and inactive toolbars among other things.

The first step is to make sure that the Main Bar, Personal Bar, Tab Bar and Address Bar are checked in the Appearance menu. This adds another menu called Main Bar on top of all other toolbars. The layout should now look like this: From Top to Bottom Main Bar, Personal Bar, Tab Bar and Address Bar.

I selected the customize option again and dragged the address form to the main bar (on top) and removed any other element on that bar afterwards by right-clicking the element and selecting Remove From Toolbar from the menu.

After that I dragged the Back, Forward, Reload button and Search Form to the Main Bar as well and disabled the Address Bar in the Appearance Menu. I now had all the functions of the Address Bar on top and the Bookmarks Bar and Tabs below it.

If you have any questions about the procedure let me know please. If anyone knows how to reduce the size of the bookmarks toolbar let me know.