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IMMEDIATELY AFTER PAYMENT YOU WILL RECEIVE AN ACTIVATION LINK
GIFT IN STEAM WITHOUT REGIONAL LIMITATIONS !!!
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The incredible continuation of the best PC game of 2007 *: This time you have to look at events through the eyes of Sergeant Sykes. An unremarkable operation in the rear of the enemy turns into a living hell when you learn that the enemy captured an object that could affect the outcome of the war as a whole. Now your task is to intercept this load. At any price.
Dynamic gameplay: new weapons and equipment, new photo-realistic terrain, fully interactive battlefield!
Improved AI system: opponents are smarter, tasks are more difficult, and AI allies are smarter!
The package includes a new module of the collective game - Crysis Wars®. New game modes, 21 maps, including 7 brand new ones - there is where to turn!
Crysis Warhead does not require the original game to run.
* PC GAMER

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I would really appreciate the feedback after the purchase.
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Instruction for the activation of the STEAM coupling:

1. You must download and install Steam http://steampowered.com/about (if not already installed)
2. Register a new account on Steam or go to an existing one.
3. The link received after purchase, it is necessary to copy and paste into your Internet browser, log in under your Steam account and take the gift yourself to the LIBRARY or add it to the INVENTORY.
4. After activation, the game appears in the list of games and you can download it from steam.
5. The installation process (download) takes about 15-45 minutes (depending on your Internet channel).