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Editorial Team
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Asked: 2026-05-15T03:31:36+00:00

I need a tool which will discover whether an arbitrary process is running in

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I need a tool which will discover whether an arbitrary process is running in x86 or x64 mode on a machine. I need to do this programatically from C++, based on a process ID.

There has to be some way to do this (as you can clearly see it from the task manager). Does anyone know of a windows api that will tell you, given a process ID, whether the application is running under wow64?

Another approach would be to figure out, based on the process id, the executable name/path that is running and try to read the PE headers out of the file. Does anyone have a code snippet that would accomplish that?

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  1. Editorial Team

    There is a WinAPI function, IsWow64Process.

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