Can OSX 10.9.5 be upgraded
I have an older Mac, OSX 10.9.5. Can it be upgraded? How do I know which program it runs on, Maverick, Snot Leopard, etc? How to you get rid of duplicate pictures without having to look at every one of them?
iMac (24-inch Early 2009), OS X Mavericks (10.9.5)