Steam account required for game activation and installation

PC System Requirements:
MINIMUM:
OS: Windows XP Service Pack 3 32-bit
Processor: Intel Dual-Core 2.6 GHz / AMD Dual-Core Athlon 3.0 GHz
Memory: 2 GB RAM
Graphics: SM 3.0 with 512MB VRAM; NVIDIA GeForce 8500 GT / AMD Radeon HD 4650 or greater
DirectX: Version 9.0c
Hard Drive: 2 GB available space
Sound Card: DirectX Compatible
Additional Notes: Keyboard and mouse with mouse-wheel.

RECOMMENDED:
OS: Windows 7 or higher
Processor: Quad-Core Processor
Memory: 4 GB RAM
Graphics: SM 3.0 with 1GB VRAM; NVIDIA GeForce GTX 280 / AMD Radeon HD 4830 or greater
DirectX: Version 9.0c
Hard Drive: 2 GB available space
Sound Card: DirectX Compatible
Additional Notes: Xbox 360 controller.

Mac System Requirements:
MINIMUM:
OS: Mac OS X 10.6 Snow Leopard
Processor: Intel Dual-Core 2.4 GHz
Memory: 2 GB RAM
Graphics: NVIDIA GeForce 640M / ATI Radeon HD 5750 with at least 512MB VRAM
Hard Drive: 2 GB available space
Additional Notes: Keyboard and mouse with mouse-wheel.

RECOMMENDED:
OS: Mac OS X 10.9 Mavericks or higher
Processor: Quad-Core Processor
Memory: 4 GB RAM
Graphics: NVIDIA GeForce 640M / ATI Radeon HD 6750M with at least 1GB VRAM
Hard Drive: 2 GB available space
Additional Notes: DUALSHOCK®3 Wireless - Controller.

Linux System Requirements:
MINIMUM:
OS: Ubuntu 12.10 LTS
Processor: Intel Dual-Core 2.9 GHz / AMD Dual-Core 3.5 GHz
Memory: 2 GB RAM
Graphics: SM 3.0 with 512MB VRAM; NVIDIA GeForce GTX 550 Ti / AMD Radeon HD 6670 or greater
Hard Drive: 2 GB available space
Additional Notes: Keyboard and mouse with mouse-wheel. To run the game on a 64-bit system you have to install the 32-bit libraries. (sudo apt-get install libgtk2.0-0:i386 libpangox-1.0-0:i386 libpangoxft-1.0-0:i386 libidn11:i386 libglu1-mesa:i386, sudo apt-get install ia32-libs)

RECOMMENDED:
OS: Ubuntu 13.10
Processor: Quad-Core Processor
Memory: 4 GB RAM
Graphics: SM 3.0 with 1GB VRAM; NVIDIA GeForce GTX 770 / AMD Radeon HD 7970 or greater
Hard Drive: 2 GB available space
Additional Notes: Xbox 360 controller. Proprietary GPU drivers installed. To run the game on a 64-bit system you have to install the 32-bit libraries. (sudo apt-get install libgtk2.0-0:i386 libpangox-1.0-0:i386 libpangoxft-1.0-0:i386 libidn11:i386 libglu1-mesa:i386, sudo apt-get install ia32-libs)

Language Support:
Interface: English, French, Italian, German, Spanish

Full Audio: English

Subtitles: English, French, Italian, German, Spanish

How to Redeem a Product on Steam

1. 1. Open the Steam Client or Steam Website
   • Steam Client: Launch the Steam application on your computer.
   • Steam Website: Alternatively, use a web browser to visit Steam's official website.
2. 2. Log in to Your Steam Account
   • If you're not already logged in, enter your Steam username and password to access your account.
   • If you don’t have a Steam account, create one by following the on-screen prompts.
3. 3. Navigate to the "Games" Menu
   • In the Steam client, click on the Games menu at the top of the window. From the dropdown, select Activate a Product on Steam....
   • If you're using the website:
     • In the top right corner, click on your profile name.
     • Select Account details > Activate a Steam Product from the dropdown.
4. 4. Enter the Steam Code
   • A pop-up window will appear. Click Next.
   • Enter the Steam code (the product key) in the provided box. This code is usually a 15-25 character string containing letters and numbers.
5. 6. Finish the Redemption
   • Once successfully redeemed, the game or content will be added to your library.
6. 7. Download or Install the Product
   • Go to your Library to find the game or content.
   • If it’s a game, click on it and select Install to begin downloading.