[Carriage Hill]

http://help.opera.com/Windows/12.10/en/menus.html

Click on red O at top left, click ‘show menu bar’.

Opera Help:

http://help.opera.com/Windows/12.10/en/

[ducttape45]

The menu displayed in your first link is not the content menu that shows up with the current Opera. There is no “show menu bar” item to click.