Edraw Mind Map Freeware
The free version of Xmind is great software, but if you don't like Xmind, or it doesn't work on your computer, you can also try Edraw. Download it here:
http://www.edrawsoft.com/download-mindmap.php
This YouTube video (http://www.youtube.com/watch?feature=player_embedded&v=B4-fSg6rJNs) shows you how to use Edraw.
The computer voice sounds strange. Even for me it is hard to understand, but you can easily read the words on the screen.
