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I am upgrading from Windows 32-bit to Windows 7 64-bit.

If I choose CUSTOM option and install Windows on C: drive - will it wipe out all the data:

  • On C: drive?

or

  • On all my drives?
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2
  • Unless you select to format, it won’t delete anything. Instead, you’ll end up with awkwardly mangled folder names.
    – Daniel B
    Commented Dec 19, 2015 at 11:32
  • Worth noting that you cannot do an in-place upgrade from a 32-bit version of Windows to a 64-bit version. I would back everything up (or, failing that, at least ProgramData and Users) and format and re-install.
    – Richard
    Commented Dec 19, 2015 at 13:07

1 Answer 1

Reset to default
2

Yes, it'll delete your C drive, but not the others.

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2
  • Are you sure even if i choose CUSTOM option?
    – AAAAdi
    Commented Dec 19, 2015 at 11:55
  • 2
    Yes; there is no way to migrate from x86 to x64 without a format
    – Ramhound
    Commented Dec 19, 2015 at 15:34

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