what are your system specs?
Halo 2
Publisher: Microsoft Game Studios
Developer: Bungie Software
Minimum System Requirements
OS: Windows Vista
Processor: Pentium 4 @ 2 GHz
Memory: 1 GB
Hard Drive: 7 GB Free
Video Memory: 128 MB (800×600 Resolution MINIMUM) Pixel Shader 2.0 (Nvidia 6000/ATI x700)
Sound Card: DirectX Compatible
DirectX: 9.0c
Keyboard & Mouse
DVD Rom Drive
Recommended System Requirements
OS: Windows Vista
Processor: Pentium 4 @ 3 GHz (32-Bit or 64-Bit)
Memory: 1 GB
Hard Drive: 7 GB Free
Video Memory: 128 MB (Pixel Shader 3.0, Aero Capable) (Nvidia 7800/ATI X1800)
Sound Card: DirectX Compatible
DirectX: 9.0c
Keyboard & Mouse
DVD Rom Drive
XBOX 360 Gamepad