Windows Minimum Requirements:

• OS *: Windows 7 or later
• Processor: AMD Phenom II X4 955 / Intel Core i5-750 or equivalent
• Memory: 4 GB RAM
• Graphics: Intel HD 4600 (AMD or NVIDIA equivalent)
• DirectX: Version 11
• Storage: 4 GB available space

Windows Recommended Requirements:

• OS *: Windows 8 or later
• Processor: AMD Phenom II X4 955 / Intel Core i5-750 or equivalent
• Memory: 4 GB RAM
• Graphics: Nvidia GPU GeForce GTX 660 / AMD GPU Radeon HD 7870
• DirectX: Version 11
• Storage: 4 GB available space

Mac Minimum Requirements:

• OS: Mac OSX 10.12 or later
• Processor: Intel Core i5-750 or equivalent
• Memory: 4 GB RAM
• Graphics: Nvidia GPU GeForce GTX 660 / AMD GPU Radeon HD 7870
• Storage: 4 GB available space

Mac Recommended Requirements:

• OS: Mac OSX 10.12 or later
• Processor: Intel Core i5-4440S 2.80GHz or equivalent
• Memory: 4 GB RAM
• Graphics: Nvidia GPU GeForce GTX 1050 Ti / AMD GPU Radeon R9 280X
• Storage: 4 GB available space

To activate the Steam key you've received, follow the instructions below;

1. First up, open the Steam client. (If you don't have it, simply click the "Install Steam" button here => Steam Store )
2. Sign in to your Steam account. (If you don't have one, click here to create a new one => Steam Account)
3. Click on the "ADD A GAME" button in the bottom corner of the client.
4. Then, select "Activate a product on Steam..."
5. Write down or copy-paste the activation key that you've received from %s in the window.
6. Your game is now visible in your library! Click on your "Library".
7. And finally, click on the game and select "Install" to start your download.