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Windows 7: Identifying PC 64 Bit Capability

4 Weeks Ago   #1
HenriK37

Win7 Home Premium x86/Win7 Pro x64
 
 
Identifying PC 64 Bit Capability

Is there some unambiguous way to positively identify whether a PC is 64 bit or 32 bit?

I have inherited a couple of what appear to be perfectly fine PCs that had 32 bit XP OS originally installed. I understand, but can't remember where I may have read this, that in the XP era some 64 bit machines were shipped with 32 bit OS installed as 64 bit OS were not yet reliable.

How can I unambiguously determine whether the machines I have are 64 bit or 32 bit?

Thanks, in advance, for advice, counsel, instructions, or whatever on this subject.


My System SpecsSystem Spec
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4 Weeks Ago   #2
samuria

win 8 32 bit
 
 

You need to know the cpu and motherbaord
My System SpecsSystem Spec
4 Weeks Ago   #3
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

Yes just google the cpu and ARK will be the 1st item on the search, click on that and it will tell you if the cpu is 64 bit capable.

Example for my 6700K

Intel Coreā„¢ i7-6700K Processor (8M Cache, up to 4.20 GHz) Product Specifications
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4 Weeks Ago   #4
dg1261

Windows 7/8.1/10/XP multiboot
 
 

There's also GRC's "Securable" utility, which should be able to tell you. (This assumes the machines still boot a working Windows.) I used to use that years ago to tell which XP machines could be upgraded to Win7 x64 and which had to stay on x32.
My System SpecsSystem Spec
4 Weeks Ago   #5
HenriK37

Win7 Home Premium x86/Win7 Pro x64
 
 

Gibson Research -- I hadn't thought of looking to see if Gibson had anything. Whatever, 'Securable' worked well. Intel's 'pidnu46.msi' also works. Thanks to all.
My System SpecsSystem Spec
4 Weeks Ago   #6
Alejandro85

Windows 7 Ultimate x64
 
 

A really simple rule of thumb is that, if the CPU is at most something like 10-12 years old (save for few exceptions like cheap netbooks) it's almost always 64 bits capable. Pretty much every computer for quite a few years is, really.

But for a more serious test, I would simply try running a 64 bit OS on it.
Try to boot it with a 64 bits Windows 7 installation disk. If the installer runs, then it's 64 bits. If it's not, it'll immediately give some error telling that the computer is unable to run the system.
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 Identifying PC 64 Bit Capability




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