Nvidia F.E.A.R. 2: Project Origin Beta GPU Drivers (10th, Feb 2009)
It's recommended to play the newly-released F.E.A.R. 2: Project Origin with Nvidia Forceware 182.05 beta drivers:
Windows XP 32-bit    Windows XP 64-bit    Windows Vista 32-bit    Windows Vista 64-bit
Or simply use this Nvidia driver search tool

How to map mouse buttons (Submited by TRIPTEX)
If you want to remap your mouse buttons for any mouse, keyboard or predefined operations (like 'Lock Workstation'), you can use this Windows Application- X-Mouse Button Control
It supports:
5 mouse buttons
Windows XP/2003/Vista x64 edition for the 64 bit version
Windows 2000/XP/2003/Vista for the 32bit version
Download X-Mouse Button Control

Xbox 360 controller on PC
If you want to use Xbox 360 controller with a PC game, you could use gamepad programs:
Xpadder- it's free
Pinnacle Game Profiler- small free, but really great support (tested).


PC Requirements

Minimal Requirements:

Processor (CPU): P4 2.8GHz (3.2GHz Vista)/Athlon 64 3000+ (3200+ Vista)
Graphics card (GPU): Fully DX9-compliant 256MB (SM 2.0b) video cards NVidia 6800/ATI X700
Memory (RAM): 1GB (1.5GB Vista)
OS: Windows XP SP2/Vista SP1
Other: DX9.0c compliant sound card; DVD drive; Broadband

Recommended Requirements:

Processor (CPU): Core 2 Duo 2.2GHz/Athlon 64 X2 4400+
Graphics card (GPU): Fully DX9-compliant 512MB (SM 3.0) video cards NVidia 8600 GTS/ATI HD 2900 XT
Memory (RAM): 1.5GB
OS: Windows XP SP3/Vista SP1
Other: DX9.0c compliant sound card; DVD drive;
Internet: Broadband; 768 kbs upstream for hosting 16 players