(REGION FREE / ROW / WORLDWIDE / MULTI LANGUAGE)
Game will be forever associated with your Steam account and you can download it at any place and at any time.
1. You need to download and install Steam http://steampowered.com/download/SteamInstall.msi
2. Go to your account or register a new one.
3. Go to the "My Games" and select "Activate via Steam ...", and enter the key received after payment.
4. Once activated, the game will appear in the game list (Library) and you can download it