In 10.9 Mavericks the default for the Finder is to now open the selected folder in the same window instead of a new tab or window. How do I go back to the old behavior where a new window (or tab) is opened for each folder?
MacOS – How to open folders in new windows/tabs by default in the Finder in 10.9
findermacos
Related Solutions
Enable show path in the view menu (not sure about the menu names but it should appear at the bottom of the finder window) then cmd + double click the folder you want to open, in this case, the last folder is your current folder.
I made an image but can't post it :\
Edit: Image example 
I did this, not sure if it will answer it for you.
Finder Preferences > General > check "open folders in tabs instead of new windows"
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Best Answer
The closest solution is to go to Finder Preferences > General, uncheck the "Open folders in tabs instead of new windows" option, and then use Cmd + double click to open in a new window.
Source: Apple Support Communities - Mavericks Finder - how default to "double click opens new window"?