32 or 64-bit Application

There are a number of ways you can determine if an executable file is a 32-bit or 64-bit application. One simple way to do so, if no changes have already been made for compatibility mode, is to right-click on the executable .exe file and choose Properties then click on the Compatibility tab. If you see "Windows XP" listed under "Compatiblity mode", then the program is a 32-bit one.

Compatibility mode - Windows XP

If, instead, the default value you see listed is "Windows Vista" and, if you check the "Run this program in compatibility mode for" and "Windows XP is not an option, then the program is a 64-bit one.

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Compatibility mode - Windows Vista


  1. Quick way to tell if an installed application is 64-bit or 32-bit
    Posted: January 31, 2010


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Created: February 2, 2014