I recently bought a used G4 imac, which came with itunes 10.4. I upgraded the OS to 10.4.3 [it doesn't have the capacity for 10.5] and i tried to update itunes, as well. I downloaded itunes 7.5 through the apple site, and it downloaded, but when i tried to open it, i could not because it requires 10.4.7, at least. So now i don't have itunes at all on my computer [just the icon in my dock with the question mark over it]. I found a few web sites where old versions of itunes could be downloaded, but they were all .exe files, which i can't download, or dmg files that would take hours to download. This is incredibly frustrating because the G3 ibook this imac replaced ran itunes 7 just fine. Any suggestions on how to get itunes back [without having to upgrade the OS or memory, etc.] -- doesn't even have to be the new version. Thanks.