How to get a refund - Now not required thanks to Pluto

[Paddy™]

Hi,

As a big fan of the Penumbra series and Dark Decent, I've just purchased MFP via Frictional's main page (http://www.frictionalgames.com/site/) using Paypal.

All well and good. I download the Windows version...only to find out afterwards that Vista is the base O/S requirement, and that the game installer won't even run unless you are using Vista base minimum.

I'm running XP. -_-

So, how do I proceed with getting a refund, given that at no point during the purchase was I informed of the above and now have a game I can't even install, let alone run?

Many thanks!

P.S. if there's a better place for this kind of support (e.g. email, etc), please let me know.

EDIT: Edited for clarity on the actual problem.

You'd probably be better off contacting the store from which you bought the game, seeing as how they'll be the ones providing the refund (or not).

With the exception of Desura, every store from which the game is available comes with detailed system requirements information.