I have an i book g3 that needs its os but i cant find tiger anywerare so i have the file on my windows computer and want to make a bootable disk. I have been searching the web and found that macs need a. Dmg file and i only Have a .iso file. I need to know how to get the. Dmg or any other options would be great to know. If there is any way to make a tiger bootable disk using a windows computer for a mac let me know. Thanks