Dark Messiah of Might and Magic For Free?

According to a forum thread on Eurogamer, Portugese magazine BGamer is giving away keys to activate Arkane Studios’ Dark Messiah of Might and Magic for free on Steam. Some instructions discovered via a Google search:

click the regista-te
fill out the register stuff (dont need a valid email)
click the green continuar sem preencher button
click the clica aqui
click that button that has CD-Key on it
copy that CD key
go to steam games list and click activate a product on steam
and then paste it in

The link is broken for me at the moment, but some people seem to be taking advantage of the deal. Keep refreshing, I guess.