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When I try to install Windows7 with Bootcamp, it mention Windows 32 bit, no word about 64. Can I install Windows7 64 bit Ultimate?

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up vote 2 down vote accepted

Yes, 64 bit Windows 7 Ultimate is supported. But you need at least Boot Camp 3.1

Update: I just glanced over Boot Camp documentation and according to it 64 bit compatibility actually depends a bit on your Mac model:

You can use a 64-bit version of Windows Vista or Windows 7 with any of these Mac computers:

- A Mac Pro or MacBook Pro introduced in early 2008 or later

- An iMac or MacBook introduced in late 2009 or later

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just installed Windows 7 Ultimate x64, even just using Bootcamp from CD and it was newest. works so far, thanks – Pablo Aug 25 '10 at 11:55

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