The key can be activated in any country in the world, without regional restrictions (Region Free, Global, all country).
How to activate the ARK key: Survival Evolved:
1. Download and install the Steam program http://store.steampowered.com/about/, if you have not already installed it.
2. Register your account in Steam. If you already have an account, log in to it in Steam.
3. Open the paid item in the My purchases, or on the email. mail specified at purchase. Copy the key.
4. In the steam program, in the lower left corner, click "Add game" - "Activate in steam ...", insert the key, click "Next". The game is activated on your Steam account and will be assigned to him forever.
5. In the Steam program in the "Library" section you will see the purchased game. It can be automatically downloaded from the official steam servers to your PC, and start playing.