Help Preferences
In the Menu Bar, click Edit > Preferences, then on the left side of the dialog box, select Help. After making any changes, press Apply and OK to save them.
Help Location - Specify whether VRED uses online Autodesk Knowledge Network help or installed offline help.
If Installed Help is selected, enter the location, either a file system path or a URL. For example:
/CDROM/html file:///c:/Docs/VRED/Help http://webserver/docs/VRED/help
You must set this option to open the help from the Help menu.
Popup Help - Display short text hints that appear in the interface when the mouse cursor hovers over a tool icon for longer than 1 second (Simple Toolclips) or longer text hints (Toolclips).