Just to add to what has been said above, I have noticed a significant difference in what ppm lists between a Win 7 32 bit machine and a Win 7 64 bit machine. As Corion mentions, it is what libraries your machine has on it.

In reply to Re: How to know if a module is for windows or linux ? by ExReg
in thread How to know if a module is for windows or linux ? by exilepanda

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