You have to add it to your library

Yep

you have to give it me

You have to activate the game

From the faq:

You must redeem the game on the account you entered with, and may not trade it to others.

Have to add.

You have to read the faq before asking ...

Don't enter giveaways if you don't want the game!

Have to add.

Since you win, you have 7 days to add it to your library

Its not even possible anyways I believe...