NOTICE: This content requires the base game Sid Meier's Civilization V on Steam in order to play.

Windows Minimum Requirements:

• OS *: Windows® XP SP3/ Windows® Vista SP2/ Windows® 7
• Processor: Intel Core 2 Duo 1.8 GHz or AMD Athlon X2 64 2.0 GHz
• Memory: 2GB RAM
• Graphics:256 MB ATI HD2600 XT or better, 256 MB nVidia 7900 GS or better, or Core i3 or better integrated graphics
• DirectX®: DirectX® version 9.0c
• Hard Drive: 8 GB Free
• Sound: DirectX 9.0c-compatible sound card

Windows Recommended Requirements:

• OS *: Windows® Vista SP2/ Windows® 7
• Processor: 1.8 GHz Quad Core CPU
• Memory: 4 GB RAM
• Graphics: 512 MB ATI 4800 series or better, 512 MB nVidia 9800 series or better
• DirectX®: DirectX® version 11
• Hard Drive: 8 GB Free
• Sound: DirectX 9.0c-compatible sound card

Mac Minimum Requirements:

• OS: 10.12 (Sierra)
• Processor: Intel Core 2 Duo (Dual-Core) CPU Speed: 2.4 GHz
• Memory: 2 GB
• Hard Disk Space: 8 GB free disk space
• Video Card: (ATI): Radeon HD 2600; (NVidia): GeForce 8600
• Video RAM: 256 MB
• Supported Video Cards: NVIDIA GeForce 8600, 8800, 9600, GT 120, 320M; ATI Radeon HD 2600, HD 3870, HD 4670, HD 4850, HD 5670, HD 5750, HD 5770, HD 5870, HD 6490, and HD 6750.
• Multiplayer: Internet (TCP/IP) and LAN (TCP/IP) play supported
• NOTICE: Apple Intel Chipsets only. Power PC Processors (G4 and G5) are not supported.
• NOTICE: Intel(r) integrated video chipsets are not supported.
• NOTICE: This game is not supported on volumes formatted as Mac OS Extended (Case Sensitive)
• NOTICE: Intel integrated video chipsets (GMA 950) are not supported
• NOTICE: Internet Connection and acceptance of Steam™ Subscriber Agreement required for activation. See for details

Mac Recommended Requirements:

• Processor: Intel Quad Core
• Memory: 4GB
• CPU Speed: 2.6 GHz
• Video RAM: 512MB

Linux Minimum Requirements:

• Operating System: SteamOS
• CPU Processor: Intel Core i3, AMD A10
• CPU Speed: 2.4GHz
• Memory: 4 GB RAM
• Hard Disk Space: 10 GB
• Video Card (ATI): Radeon HD 6450
• Video Card (NVidia): Geforce 640M
• Video Card (Intel): Iris Pro
• 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.