how to detect OS architecture?

[Hugo Florentino]

On Tue, 17 Dec 2013 15:13:18 +0100, Gary Willoughby wrote:
>
> Make sure you handle if users have a 32bit OS installed on a
> 64bit PC.

As a matter of fact that was the actual configuration in the system I 
wrote the app.
I am now with a friend with the same configuration, and it also seems 
to be working.
At work I use Windows 7 x86_64 and it also works.