How do I update OS X 10.5.8 to 10.6 or later?
I have OX X 10.5.8 and just purchased and IPhone 5. I want to download my itunes but it won't let me as I need 10.6.8 I have tried many times but there doesn't seem to be a download to update 10.5.8 to 6 or higher.
iMac