Pre Order activation key will be available at the planned release date:
20 Nov 201215:58
Hitman: Absolution follows the Original Assassin undertaking his most personal contract to date. ...
Hitman: Absolution follows the Original Assassin undertaking his most personal contract to date. Betrayed by the Agency and hunted by the police, Agent 47 finds himself pursuing redemption in a corrupt and twisted world.
In order to activate this game, you will require a third-party 'Steam' account. For full details on how to activate please follow this link: https://support.steampowered.com/kb_article.php?ref=5414-TFBN-1352