Use the Help menu > ETABS Help command to display the Help, which has tabs for Contents, Index, and Search.
Contents tab. Use this tab to access the various help topics organized to reflect the menus used in the ETABS program.
Index tab. Use this tab to access an Index of keywords assigned to the various help topics.
Search tab. Use this tab to perform a keyword search. Type a keyword(s) in the edit box on this tab, and ETABS will display a listing of all topics containing this word(s).