unzip the zip file in a temp dir copy the content of mayaUserDir in your maya user dir ex : C:\Documents and Settings\xteo\My Documents\maya\3.0- copy the mll file in your plug'ins dir (C:\AW\Maya3.0\bin\plug-ins)
- copy glut32.dll in winnt/system32/
- f maya was running close it then launch maya
- open the plug'ins manager , and load xHelper.mll , put autoLoad on .
- there is a new shelf named xHelper .
- first icon for sourcing the scripts , press it each time you have restarted maya and want to use the scripts
- second icon launch the window to create xHelpers.(you can access the window in the Action context Marking menu (creation->locator->xHelper)
- third icon for the Doc (if you download the zip with the Doc)