{ First we need to tell the Application object the name of the Help file and where to locate it. } Application.HelpFile := ExtractFilePath(Application.ExeName) + 'YourHelpFile.hlp'; { To Show a help file's content tab: } Application.HelpCommand(HELP_CONTENTS, 0); { To display a specific topic of your help file: } Application.HelpJump('TApplication_HelpJump');