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On 24 Oct 2009 13:41:54 GMT, bonius mcheadius wrote:

>philo <> wrote in
>news:Fd-:
>
>> bonius mcheadius wrote:
>>> 32 bit 64 bit... where is the difference?
>>>
>>> is it just is the software? or the hardware? i.e. the
>>> motherboard/cpu?
>>>
>>>
>>> if i have a computer thats running windows xp pro 32 bit, can i
>>> upgrade(?) to the 64 bit version?

<snip>

>> Nope
>> to go with a 64 bit OS you'd need a clean install.
>>
>> A 64 bit OS may give better performance for some applications...
>> but the trade off is there may be a problem with driver
>> availability...
>>
>> If you have applications that can run fine with 3 gigs of RAM or
>> less... the 32bit version will be fine...
>>
>> OTOH if you need 4 gigs of RAM or more to run your applications...
>> then you'd want the 64 bit version
>
>o.k., thanks, so the difference is all in the o.s., not the hardware.

No it's both. To run a 64bit OS you need a 64bit motherboard / CPU.

>that's what i was confused about.

Well you still are after the philo reply.

<snip>

Me