Crusader Kings II: Ultimate Unit Pack Collection

NOTICE: This content requires the base game Crusader Kings II on Steam in order to play.

Minimum Requirements:

• OS: Windows 7
• Processor: Intel® Pentium® IV 2.4 GHz or AMD 3500+
• Memory: 2 GB RAM
• Hard Disk Space: 2 GB
• Video Card: NVIDIA® GeForce 8800 or ATI Radeon® X1900, 512mb graphics memory required.
• DirectX®: 9.0c
• Sound: Direct X-compatible sound card
• Additional: 3-button mouse and keyboard

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.