By default, if you open web content from the Metro UI, it will be opened with the Metro version of Internet Explorer. If you don't like that behavior you can easily change it in the Internet options. Open the charms menu by pointing your mouse to the top or bottom right corner of the screen and click on Settings. Choose Control Panel from the next menu.
In the classic Control Panel, go to Network and Internet > Internet Options and choose the Programs tab. The first section, Opening Internet Explorer holds a drop-down menu where you choose Always in Internet Explorer on the desktop from. Apply your changes and the Internet Explorer should now be opened in the desktop App instead of its Metro version.