Hematite12
Uh, you could download plugins by double click these items, the tool will download plugins , and unzip + copy to your c2 folder.
Do you see this screen?
<img src="http://i1081.photobucket.com/albums/j352/rexrainbow1/screen1-31_zpsc98320ee.png" border="0" />
BTW, the first link is the basic steps, it should work.
You might ask your problem on this thread.