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OEM Vista ---> Windows 7 Upgrade ---> New Build?


I purchased a dell computer that came with windows vista. I then purchased/installed a windows 7 upgrade. I know OEM can't be transferred, but retail can. I'm not sure how this plays out with an upgrade though.

I'm building a new computer and I'm wondering if I can transfer windows 7 to this new build. If so, how?

Assuming I can transfer it, will there be any problem installing it as 64 bit when I'm running it as 32 bit now?

Thanks in advance.
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  1. Hi :)

    Its possible to do but ILLEGAL...

    All the best Brett :)
  2. Best answer
  3. OEM is meant to stay on the PC (MOBO+CPU+HDD are the main bits that make up the build of the PC). Retail is transferable, only 1 copy installed at a time.

    From this site and others I have previously read that you can upgrade an OEM version with upgrades, and you can do a clean install of the new OS with the upgrade media. But only on retail versions. So if you have a retail version that is eligible you can use it for what you want.

    The only stipulation was you had to keep the bits, so 32-32 and 64-64. But I think MS changed their stance on that due to the wide adoption of 64 bit, and wide use of 32 bit for the upgrade path.
  4. nice area51, this always comes up.
  5. Best answer selected by Tom1.
  6. This topic has been closed by Area51reopened
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