Configure Finder dock icon to open another directory By default, the Finder dock icon opens All My Files directory. 

How do I configure it to open a directory specified by me?
With Finder open, press Cmd+` to open the Finder Preferences window.

In this window you'll see a drop down list that lets you select where new Finder window open to when you open them.



There are some suggestions made when you click on the drop down list or you can choose Other... and pick any folder you like.