How to check (on Windows) if CPU is 64-bit compatible?

Posted by Bill Paetzke on Super User See other posts from Super User or by Bill Paetzke
Published on 2010-05-21T22:53:56Z Indexed on 2010/05/21 23:02 UTC
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Windows

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64-bit

I'm converting old Windows desktop machines from 2005-2009 into cheap Ubuntu Linux servers. I want to know which ones can handle a 64-bit OS and which can't. I read that some x86 CPUs are 64-bit compatible. The question is how to check.

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