Serious Sam 3: BFE Gold Edition PC Steam Account

Windows

Minimum:

OS *: Windows XP 32-bit (with service pack 2 or 3)
Processor: Dual-core from Intel or AMD at 2.0 GHz
Memory: 1GB
Graphics: nVidia GeForce 7800/7900/8600 series, ATI/AMD Radeon HD2600/3600 or 1800/X1900 series
DirectX®: 9.0c
Hard Drive: 4GB free hard drive space
Sound: DirectX9.0c Compatible Sound Card

Mac

Minimum:

OS: OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later.
Processor: Intel Core 2 Duo 2.0 GHz
Memory: 2 GB
Hard Disk Space: 6 GB
Video Card: nVidia GeForce GT 120/9600M/320M, or ATI (AMD) Radeon HD 4670. Intel integrated GPUs are not supported.

Linux

Minimum:

OS: OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later.
Processor: Intel Core 2 Duo 2.0 GHz
Memory: 2 GB
Hard Disk Space: 6 GB
Video Card: nVidia GeForce GT 120/9600M/320M, or ATI (AMD) Radeon HD 4670. Intel integrated GPUs are not supported.