Defend the Rook - Supporter Pack Minimum System Requirements:
Requires a 64-bit processor and operating system
OS *: Windows 7/8/10
Processor: Intel Pentium Dual CPU E2180 2.00GHz
Graphics: GeForce 600M / ATI Radeon HD 5450 (1GB)
Sound Card: Yes

Defend the Rook - Supporter Pack Recommended System Requirements :
Requires a 64-bit processor and operating system

Activation on Steam

1)      Download & install the Steam client on your computer from   here.

2)      Open the Steam client, register and login. Then, locate the Games tab on the top menu. Click that and select “Activate a Product on Steam..”

       

3)      Enter your code that is showed on the orders page of eTail. Market and and follow the steps showed to activate your game.

       

4)      The game can be monitored now and you can see it on the "Library" section on Steam. You can download and install the game now.

5)      If you need more information and support, you can click here: https://help.steampowered.com/en/wizard/HelpWithSteam