Key activation instruction:1. Download and install Steam http://steampowered.com/about (if not installed);
2. Create new Steam account or login to existing account;
3. Go to "Games" and select "Activate a product on Steam ...", read and accept the Steam Subscriber Agreement and enter a key received after payment;
4. After activation, the game will appear in the list of games and you can download it.I would be really grateful if you could leave positive feedback, just "+".
Thank you