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32-bit or 64-bit?


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#1 gib65

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Posted 03 November 2009 - 12:44 PM

How can I tell if I've got a 32-bit processor or a 64-bit one? I'm running Windows XP.

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#2 IrishGrimReaper

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Posted 03 November 2009 - 12:47 PM

What is the processor? Under system information on XP it'll show the name.
|~|i7 920-D0@3.9Ghz|~|Noctua NH-U12P|~|P6T Deluxe V2|~|OcZ 3x2GB DDR3 1600Mhz|~|PNY GTX 275 898MB|~|Enermax Rev85+ 850 Watt|~|Xonar Dx 7.1|~|Lian Li P80|~|Samsung T220|~|G9|~|G11|~|Intel SSD X25M:G2-80GB|~|Windows 7 Home Premium 64|~|SteelSeries Siberia White|~|

#3 gib65

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Posted 03 November 2009 - 01:26 PM

I have a program called Belarc Advisor that says it's an Intel Core 2 Duo and is "64-bit ready". What does "ready" mean?

#4 IrishGrimReaper

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Posted 03 November 2009 - 02:55 PM

It means it can do 64bit Operating systems aswell as 32 bit.
|~|i7 920-D0@3.9Ghz|~|Noctua NH-U12P|~|P6T Deluxe V2|~|OcZ 3x2GB DDR3 1600Mhz|~|PNY GTX 275 898MB|~|Enermax Rev85+ 850 Watt|~|Xonar Dx 7.1|~|Lian Li P80|~|Samsung T220|~|G9|~|G11|~|Intel SSD X25M:G2-80GB|~|Windows 7 Home Premium 64|~|SteelSeries Siberia White|~|

#5 gib65

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Posted 04 November 2009 - 12:21 PM

Hhm... Is there any possible way a 64-bit application might be installed and run on a 32-bit system? I ask because I have a 64-bit application (Softimage XSI 7.0) that I swear was running on my computer before I had to do a full overhaul of the operating system (wiped the hard drive clean and started from scratch), but now it tells me I can't install and that I should install the 32-bit version instead.

#6 AdamV

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Posted 04 November 2009 - 12:25 PM

No, but you can run 32-bit apps on 64 bit Windows (it uses a thing called Windows-on-Windows or "WOW64" to achieve this).

I would use Securable from GRC to check processor capabilities.
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