icloud not showing in system preference

mccvane wrote:

for some reason i tried to do a software update but it wont let me update to 10.7.2

To update to 10.7.2 you will need to be running 10.7.1, or 10.7.0. Are you?

im running 10.6.8. i tried to upgrate from the app store to OS X ML for 10.8 but wont let me ither. it says my computer is not compatible

OK for Lion but not Mountain Lion.