What about XP? It's old, unsupported and littered with security holes. It has 50% penetration in China because it's the last version of Windows with easily circ

What about XP? It's old, unsupported and littered with security holes. It has 50% penetration in China because it's the last version of Windows with easily circumvented piracy countermeasures and because it runs better on 10-year-old hardware. I don't think it's any guide to how long long-term support should be.