HT1444: Software update, upgrade--what's the difference?Learn about Software update, upgrade--what's the difference?
Currently Being ModeratedFeb 17, 2013 8:32 AM (in response to wogabee)
Currently Being ModeratedFeb 17, 2013 1:03 PM (in response to wogabee)
If you are unsure exactly what year your Mac is, check the model number.
You also might want to check application compatability since PowerPC applications aren't supported.
If you can't upgrade to Mountain Lion, here are the requirements for Lion.
If you have applications that you want to use that aren't compatible, you can retain Snow Leopard and create a new partition to install Mountain Lion on.