I installed Windows 7 Home Premium 32-bit over 64-bit by mistake

By dadeebz
Sep 25, 2011
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  1. My pc had a virus so i found a windows 7 32bit professional cd that I presumed was 64 bit, bad mistake. It was 32 bit and i installed over the original 64bit home premium I had on my system. Can i get the 64 bit back? my pc was a present so i dont have the original cd for the os but theres a sticker on the side with the original product key for the 64bit os.
  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,243   +234

    The PC should work fine until you get another copy of Windows 7 64-bit. If you try to install a 64-bit OS on a 32-bit CPU the install will stop quickly, but a 32-bit OS will work with a 64-bit CPU

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