If you cannot figure out the installation and setup of WWMT, this video should help. Note that you should still refer to the docs as much as possible... but I tried to spell it all out here:
Now added a written explanation of paths in about as deep of detail as I can. Hopefully this finally clears everything up for everyone who is still having problems understanding how to get WWMT set up correctly.
http://wallworm.com/projects/utilities/docs/troubleshooting/getting_paths_set.html
Here is a newer video on this subject that includes the latest UI, import from gameconfig.txt function, and saving a preset.