Borderlands 2: Headhunter 1: Bloody Harvest

NOTICE: This content requires the base game Borderlands 2 on Steam in order to play.

Windows Minimum Requirements:

• OS *: Windows XP SP3
• Processor: 2.4 GHz Dual Core Processor
• Memory: 2 GB(XP)/ 2 GB(Vista)
• Hard Disk Space: 13 GB free
• Video Memory: 256 MB
• Video Card: NVIDIA GeForce 8500 /ATI Radeon HD 2600
• Sound: DirectX 9.0c Compatible
• Other Requirements:Initial installation requires one-time internet connection for Steam authentication; software installations required (included with the game) include Steam Client, DirectX 9, Microsoft .NET 4 Framework, Visual C++ Redistributable 2005, Visual C++ Redistributable 2008, Visual C++ Redistributable 2010, and AMD CPU Drivers (XP Only/AMD Only)

Windows Recommended Requirements:

• OS *: Windows XP SP3/Vista/Win 7
• Processor: 2.3 GHz Quad Core processor
• Memory: 2 GB
• Hard Disk Space: 20 GB free
• Video Memory: 512MB
• Video Card: NVIDIA GeForce GTX 560 / ATI Radeon HD 5850
• Sound: DirectX 9.0c Compatible
• Other Requirements:Initial installation requires one-time internet connection for Steam authentication; software installations required (included with the game) include Steam Client, DirectX 9, Microsoft .NET 4 Framework, Visual C++ Redistributable 2005, Visual C++ Redistributable 2008, Visual C++ Redistributable 2010, and AMD CPU Drivers (XP Only/AMD Only)

Mac Minimum Requirements:

• OS: 10.12 (Sierra)
• Processor: 2.4 GHz Intel Core 2 Duo (Dual-Core)
• Memory: 4 GB RAM
• Hard Disk Space: 13 GB
• Video Memory: 256 MB
• Video Card: ATI Radeon HD 2600 / NVidia Geforce 8800/ Intel HD 3000
• Additional: Macintosh mouse and keyboard. Borderlands 2 supports both the Xbox 360 wired gamepad AND the PlayStation 3 Dualshock 3 Wireless Controller
• NOTICE: It is possible for Mac and PC to become out of sync during updates. Within this short time period, Mac users will only be able to play other Mac users.
• NOTICE: This game is not supported on volumes formatted as Mac OS Extended (Case Sensitive)
• NOTICE: The following video chipsets are unsupported for Borderlands 2: ATI RADEON HD 2400, NVIDIA 8600m, NVIDIA 9400m, 9600m, Intel Integrated GMA 950, Intel Integrated x3100
• NOTICE:The Mac version is only available in English, French, Italian, German, and Spanish.Mac

Mac Recommended Requirements:

• OS: 10.12 (Sierra)
• Processor: 2.2GHz Intel Quad Core
• Memory: 4 GB RAM
• Video Memory: 512 MB
• Video Card: ATI Radeon HD 5750 / NVidia Geforce 650M / Intel HD 4000

Linux Minimum Requirements:

• Operating System: SteamOS, Ubuntu 14.04
• CPU Processor: Intel Core 2 Quad, AMD Phenom II X4
• CPU Speed: 2.4GHz
• Memory: 4 GB RAM
• Hard Disk Space: 13 GB
• Video Card (NVidia): Geforce 260
• Video Memory (VRam): 1GB

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.