In the Help Viewer, use the Index tab to search the Help topics for defined keywords.
Type in the keyword to find
Specify the word for which you want to search, or select it from the keyword list.
Displays the topic associated with the indexed word. If the word you entered is not in the index, no topics are found. If more than one topic is associated with the word, you are prompted to make a selection.
Other tabs in the Help Viewer: Contents, Search