FIFA 09 System Requirements

FIFA 09 Minimum System Requirements

Operating Systems:
Windows XP SP2 or Windows Vista
Note that Windows 95, Windows 98, Windows 2000, Windows ME and Windows NT 4.0 are not supported.
CPU with 2.4 GHz (single-core)
512 Megabytes of RAM (1 GB required for Windows Vista™)

DirectX® 9.0c Compatible 3D accelerated 128 MB video card or equivalent
(must support Shader Model 2.0 or above)
DirectX® 9.0c Compatible Sound Card
512Kbps or greater broadband connection for online gameplay
MS compatible mouse
Keyboard

Source: FIFA 09 INFO