Email Steam Key?

E-mail it (it'll show their e-mail on the 'view created' page under 'giveaways' at the top) or add them on Steam, either way works

Email or message through steam, easy as that. :3

You could add him as a friend on Steam. Once he accepts, you can open the chat window and give him the code. Or just email it.

Yep. Just email key or add winner on steam and give it that way. But lots of people dont accept strange friend requests.

You know, e-mail IS a private messaging system. Not sure why every web site needs to have its own PM system.

ok send a friend request. will email it tomorrow..