System Requirements:
*Requires SimCity™ to play. 

PC System Requirements

Processor: AMD Athlon 64 X2 Dual-Core 4000+ or better or Intel Core 2 Duo Processor 2.0GHz or better 
Minimum OS: Windows XP/Vista/7 
Memory: 2GB RAM 
Hard Drive: 12GB HD Space 
Graphics Card: ATI Radeon HD 2600 or better*, NVIDIA 7800 or better*, Intel HD Graphics or better* 
Broadband Internet: Minimum 256 kbps download, 64 kbps upload 
*Minimum of 256MB of on-board RAM and Shader 3.0 or better support. 

Mac System Requirements

Processor: Intel® Core™ 2 Duo 
Minimum OS: Mac® OS X 10.7.5 (Intel HD Graphics 3000 users require 10.8.4 or later)
Memory: 2GB RAM 
Hard Drive: 12GB HD Space 
Graphics Card: INTEL HD 3000, NVIDIA® GeForce® 9600M or ATI™ Radeon™ HD 2600 Pro or better 
Broadband Internet: Minimum 256 kbps download, 64 kbps upload