What to do with my old PC?

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The PC have inside Intel core duo,NVIDIA GeForce 9600 GT,280GB HDD i think,2GB ram and i don't remember what mobo. I'm thinking to install pfSense and start learning how to use it or starting learning about Python. Does anyone have any idea what to do with it?. xD

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Just to be clear, 32bit Core Duo or a 64bit Core 2 Duo?

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