For those of you that just want no-fuss, head over here to learn how configure Simple Scripts.
For a little more control over your installation follow this tutorial and mind the few prerequisites:
A.) If you have NodeWorx access, make sure PHP scripts are running as the SiteWorx user rather than apache.Popup Example
B.) I like to grab my WordPress through SSH because it's a little quicker than fussing with FTP. If you have NodeWorx access, give your SiteWorx user shell access.Animated Popup Tutorial
Small SiteWorx Menu
Note: SiteWorx will automatically append the unix username of the SiteWorx account to whatever you type in the box. Make it short and sweet.
SiteWorx add database screen
WordPress guided setup.
Success! Now you've got WordPress!