[roamer]

OLE Automation.

Код:

uses
  ComObj, ...

procedure TForm1.SpeedButton4Click(Sender: TObject);
Var
  W : variant;
begin
  W:=CreateOleObject('Word.Application');
  W.Visible:=true;
  W.Documents.Add;
  W.ActiveDocument.Range.InsertAfter('Hello Word');
end;