Don’t want to leave Windows 7 and love the look of Windows 8’s explorer then Better Explorer is the right app for you, that provides the Windows 8 like Explorer with collapsible ribbon and the quick access toolbar and also adding tabs to the explorer ribbon . It is still in alpha stage and is not a finished product , does not have big bugs , and you will surely love it.
Below is a screenshot showing you the exact look of the explorer with Better Explorer installed.