Trouble activating key steam

[erazort]

Trouble activating key steam

Three days ago I bought the witcher 2 via steam, it tells me that the key is invalid what do I do?

Sorry for my English, I do not speak very well and I'm using google translator

 

[dragonbird]

Just play through Steam, you don't need to register it here.

 

[erazort]

ok thx