How to update os x 10.5.8 to os x 10.6.8
I have updated my iphone to 6.0 and it requires my itunes to be updated as well, which I've tried to do, but now it wants me to update my Mac OS x 10.5.8 to 10.6.8. How do I do this? Do I need to buy the Snow Lepard program?
MacBook Pro, Mac OS X (10.5.8)