Ok guys I have an old 2010 iMac that I did a factory reset on. I installed OS X 10.5.8 and now I want to upgrade to latest software such as adobe safari and others. I cannot update any of the software because I need to update. I have bought snow leopard before to update it when I first did a clean install but I sent to have misplaced it. What do I need to do. Thanks in advance.