This will tell you whether you are running under a 32 or 64-bit version of Perl, which is often more salient information: 

C:\test>\perl32\bin\perl -MConfig -le"print $Config{ptrsize}"
4

C:\test>\perl64\bin\perl -MConfig -le"print $Config{ptrsize}"
8

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In reply to Re: How to find out if it is 32bit or 64bit windows? by BrowserUk
in thread How to find out if it is 32bit or 64bit windows? by Anonymous Monk

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