How can I upgrade Mac OS X 10.5.8 to OS X 10.6.8 or higher?

I have a old mac that has a version of 10.5.8 and I cannot upgrade nothing. I cannot play some games in my computer becuse I have to update adobe, I cannot updtae adobe if I don't upgrade SAfari (Same with Chrome) and I cannot upgrade safari if I don't change of

  • Asked about:  Mac OS X 10.6 Snow Leopard

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