Killing Floor 2 Ultimate Edition

Minimum Requirements:

• Requires a 64-bit processor and operating system
• OS: Win7 64-bit, Win8/8.1 64-bit
• Processor: Core 2 Duo E8200 2.66GHz or Phenom II X2 545
• Memory: 3 GB RAM
• Graphics: GeForce GTS 250 or Radeon HD 4830
• DirectX: Version 10
• Network: Broadband Internet connection
• Storage: 80 GB available space
• Additional Notes: UNSUPPORTED HARDWARE: IntelHD Integrated Graphics Chips, 32-bit Operating Systems, NVIDIA ® FleX features require a GeForce ® GTX™ 770 or higher (GeForce ® GTX™ 980 recommended)

Recommended Requirements:

• Requires a 64-bit processor and operating system
• OS: Windows 10 64-bit
• Processor: Core 2 Quad Q9550 2.83GHz or Phenom II X4 955
• Memory: 4 GB RAM
• Graphics: GeForce GTX 560 or Radeon HD 6950
• DirectX: Version 11
• Network: Broadband Internet connection
• Storage: 100 GB available space
• Additional Notes: NVIDIA ® FleX features require a GeForce ® GTX™ 770 or higher (GeForce ® GTX™ 980 recommended)

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.