Opera@USB has the same functionality as the Desktop version, but can be run on USB Flashdrive or Stick or Pen, and also as secondary browser on hard disk There are no unwanted effects on IE or other browsers, existing Opera versions are also not affected. It makes no entries to the registry, leaves no data on the guest computer.
What's new in version 12.16
ReleaseJuly 18, 2013
Date AddedJuly 18, 2013
Operating SystemsWindows 2000, Windows Vista, Windows, Windows 7, Windows XP