How to Reinstall Windows XP Without Having to Reactivate With Microsoft To tell you the truth, I have never understood what the big deal is with product activation. The fact of the matter is that software piracy is fairly rampant and that Microsoft is the target for a large percentage of the piracy due to their dominance in the operating system and office productivity software markets. They have a right to try to stop or at least control that privacy and the product activation seems to be a fair way of ensuring that only legitimate software owners get to benefit...