i have a g4 yikes 400mhz. its currently running os9. i got panther cd install in a zipped folder. i was wanting to install panther on it but ive never installed a new os before and i just got the g4 and am really new to macs. so...any help? on like basic steps and what to do in order to install it? oh...and by the way, my tower has dvd drive but i have external cd drive, in case that means anything. thanks a million!