Resposta para "Can I upgrade my processor?"it's possible if you have a 2012 or previous body. Currently some sites like OWC sell processor chips pulled from other computers that can be bought for a third of the original price. Yes you will need advanced skill because you need to heat the surface to remove the chip and dermal paste wothouth damaging the logic board. My recommendation would be to buy one of those and get a technitian to install it.