thanx alot tihiy for your help ... ok there is something also needed, suppose , as an example , i want to add a new component to be installed in the windows setup and to be selected from the windows setup menu .. as an example from the windows 98 setup : i want to add "accessibility" to my windows , i just click on it in the setup menu , then it adds automatically with it's needed files to my windows 98 just like that but i wanted to add more programs , like norton , nero , somestuff like that , how... ????????????????