Upgrade W7 Pro 32 to W7 Pro

I have a client that needed 32 bit Windows because of compatablity with one critical software program. We built a W7 32 bit OEM master because of that, but that program has since been replaced and we can now move up to 64 bit.

The question: is it possible to upgrade the W7 Pro OEM 32 bit master image to W7 Pro OEM 64 bit master image to use for all future machines. I don't want to have to start from scratch building a new 64 bit master image.
ElegantSolutionsAsked:
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Sushil SonawaneCommented:
Windows 32 bit and 34 bits are different os version. You can't upgrade 32 bits to 64 bit os.
You will need to perform a clean install.


(http://windows.microsoft.com/en-US/windows-vista/32-bit-and-64-bit-Windows-frequently-asked-questions)

Please refer below article differences between 32-bit versions of Windows.

(http://support.microsoft.com/kb/946765)
(http://www.makeuseof.com/tag/difference-32-bit-64-bit-windows/)
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Stelian StanNetwork AdministratorCommented:
You need to build another image from scratch. Their is no path to upgrade from 32 to 64 bit machine. You need to perform a clean install.
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xutiCommented:
Hello,

No, it is not possible to upgrade 32bit to 64bit of any Windows version. You will need to perform a clean install.

Regards
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Scott CSenior Systems EnginerCommented:
No, no upgrade possible.

You will need to do a clean install.
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ElegantSolutionsAuthor Commented:
Chosen because it was the most through answer.

I assume Windows 8 will not help either?
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