You have to trade in your DVD and $10 for a set of CDs returned to you. Does your iMac have FireWire Ports? That's the minimum. And 256 MB ram. But you can also install it on your iMac with an external DVD player in a FireWire case. k On Apr 29, 2005, at 1:28 PM, Daniel Brieck Jr. wrote: > Speaking of DVD media, what do users of macs without DVD drives > have to do to install? Are there CD images available? My G4 has A > DVD drive, but my g3 imac does not... They forget to mention DVD > drive required under Tiger's system requirements or do they...