Hmm.. Usually speakers are speakers and just plug into the pc regardless of what the operating system is. Usually the speaker connecter will be coloured green and will fit into a corresponding colour at the back of the tower. Its also possible the tower came with a PCI sound card which in that case the connection would near to the bottom of the tower.. Finally I know this sounds stupid but are you sure you turned them on, sometimes they have a seperate power supply, did you plug them in? ( I only say this cuz my mom once spent 3-4hrs trying to use speakers that needed plugging into the wall socket lol )

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