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Win 7 Upgrade Discs
Hi can anyone help me? I pre ordered 2 copies of win 7 full retail premium discs,The website I ordered from sent me 2 copies of win 7 premium upgrade I'm not sure how the upgrade works,Do these discs come with their own cd keys,so all I need is a previous operating system to install.Or do I need two copies of vista with vista keys or even xp before I can upgrade to windows 7?
I need to know before I send these back to get full copies...thanks in advance