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Activating 64bit using 32Bit Key
My Laptop Compaq CQ61 Shipped with Windows 7 Home premium 32bit Version. lately i upgrade it's memory to 4GB. to utilize all the 4GB memory i need windows 7 64bit OS so is it possible to use my OEM product key (that came with the laptop) for 32bit Home premium to activate 64bit windows 7?