enable dictionaries in dictionary app under el capitan os x el capitan, new mac book air with fresh os x installation.

In dictionary app preferences, no foreign language dictionaries appear in the the list of available dictionaries.   However, in /Library/Dictionaries there are many available dictionaries. 

How can I access these dictionaries?
Go to Dictionary &gt; Preferences. That will bring up a window like this:



Then, check them off and they will appear on the Dictionary front-page.