1. First double-click the Opera browser to open, and then in the window above the browser to find the upper left corner of the opera icon and click, so there will be a slide menu, in this menu click the Set option.
2. After entering the Opera Browser Settings window, in the right search column can see the current default browser for Google search, if you want to change the default browser, you can directly by clicking the Drop-down button, followed by the Drop-down box to select the user needs to modify the default search engine.
Opera also offers a number of convenient features, including network synchronization, wand password management, session management, mouse gestures, keyboard shortcuts, built-in search engine, smart pop-up advertising interception, URL filtering, you can easily download the replacement of the skin, the interface can also be in custom mode by dragging and dropping arbitrary changes. I'm sure it will give you a different kind of operation experience.