Upgrading my OS so I can run icloud from my imac
I have a 10K549 build imac and have OS v 10.6.8 installed. I read that in order to use icloud from my computer I need to download a different version, having already downloaded to correct version which I have read contains the functionality I am looking for.
Before I go down a rabbit hole and download loads of software and get into a scramble with what I need to do, can someone please tell me what steps I need to take in order to utilise the 10.8.2 v I have just downloaded as I am advised by the software that I need 10.8 to run the combo I have downloaded. In other words, how do I get from 10.6.8 to 10.8.2 and why doesn't it download as part of software updates anyhow?
I don't even know if my software is snow leopard or lion?
Any help would be gratefully received.
Thanks