new2008

Hello How can I install "Startup repair" on the Harddisk? (I know you can start it from the DVD but I need it on the Harddisk) I have a singel harddisk with one partition and Vista home premium on it. In several forum they talk about dual/pre boot and press F8 and so on. How can I set up the PC with this dualboot setup on an already installed Vista (In worst case I can reinstal Vista if needed) Is there any guidline to preInstall "StartUp repair"? /BR