A:AnswerYou may need to upgrade the RAM to 8 gb instead of 4. And upgrade to 1 tb of storage not 500. Then it should run quite a few games. Not GTA, COD, or anything like that, but it'll run a lot.
A:AnswerI have a wireless printer that had to be connected via cable because printer was too old for this laptop I bought. The laptop could be connected to a wireless printer if printer current enough.
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A:AnswerGood question. It is not replaceable because the motherboard is made for the chassis of this laptop. You will need to find a processor that is compatible with the motherboard in this laptop. If you replace it, it will also void the warranty on the laptop.
I hope this helps.