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I have a PC with an Intel® Core™2 Duo Processor E4300 - I ran CPU-ID on it, and here are the results:

enter image description here

Is this capable of running Windows 64-bit?

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If your CPU is not an E4300, google/bing the manufactures specifications for your processor model and look for tabular data listing specifications; 64 bit architecture is generally high up in the data list. – Nick Josevski Sep 25 '09 at 0:03
up vote 4 down vote accepted

Yes, all Core 2 Duo chips are 64-bit capable, that is includes the EM64T feature. Of course, if your running a 32-bit OS then it'll be no different then a 32-bit chip, but if you put a 64-bit OS on your system the Core 2 Duo chips will handle it properly. So yes it is capable of running 64-bit Windows.

however please note;

Intel® EM64T requires a computer system with a processor, chipset, BIOS, operating system, device drivers and applications enabled for Intel EM64T. Processor will not operate (including 32-bit operation) without an Intel EM64T-enabled BIOS. Performance will vary depending on your hardware and software configurations.

http://processorfinder.intel.com/details.aspx?sSpec=SL9TB

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According to Intel, yes, it is a 64 bit processor.

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All Intel Core-2 processors contain the 64 bit instuction sets.

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