It's really easy, just remove the side panel and you'll see hardware similar to what you bought. Be sure to turn off your computer and unplug the power cord. Carefully remove the two RAM sticks and replace them the same way you removed the rest. Please do not use force as you will see that there are more pins on one end of the RAM stick than the other. Reconnect your computer and turn it on to test. If it doesn't boot, take out all the RAM and reinsert a stick, try restarting if it does, then insert another stick depending on how much you bought. Good luck, but you won't need it because it's very simple.
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