Minimum System Requirements

• Operating System: 10.12 (Sierra)
• CPU Processor: Intel Core Duo
• CPU Speed: 1.8 GHz
• Memory: 512 MB
• Hard Disk Space: 3.5 GB
• Video Card (ATI): Radeon HD 2600
• Video Card (NVIDIA): GeForce 8800
• Video Card (Intel): HD 3000
• Video Memory (VRam): 256 MB
• Peripherals: Macintosh mouse and keyboard

NOTICES: The following chipsets are not supported for Civilization IV:

• ATI Radeon X1000 Series, HD 2400
• Nvidia GeForce 7000 Series, 8600
• Intel GMA series
• NOTICE: Civilization IV Mac no longer supports online multiplayer due to drop of support by Gamespy.
• NOTICE: This game is not supported on volumes formatted as Mac OS Extended (Case Sensitive)