...
- Menu Help > Install new software…
- Paste the following Counterclockwise url in the “Work with:” textbox: http://ccw.cgrand.net/updatesite/ , Hit Enter
- Select counterclockwise, verify the “Contact all update sites during …” chekbox is checked, click next, accept licence, etc., restart Eclipse
- Go to menu Window > Reset Perspective ... this will reset the way the views are layout, and also place correctly the views contributed by Counterclockwise (the Namespace Browser view, placed "behind" the code outline view)
...