Official specs from Steam

F.E.A.R. 2: Project Origin system requirements

Minimum and recommended PC specs as listed by the developer on Steam.

F.E.A.R. 2: Project Origin release infoSteam page Check other games

Minimum

Operating SystemWindows® XP SP2/Vista SP1
ProcessorP4 2.8GHz (3.2GHz Vista)/Athlon® 64 3000+ (3200+ Vista)
Memory1GB (1.5GB Vista)
Hard Disk Space12GB Available Hard Disk Space
Video CardFully DX9-compliant graphics card with 256MB (SM 2.0b). NVIDIA 6800 or ATI X700
DirectX® Version9.0c
SoundDX9.0c compliant
Internet ConnectionBroadband

Recommended

Operating SystemWindows® XP SP3/Vista SP1
ProcessorCore 2 Duo 2.2GHz processor family/Athlon 64 X2 4400+ (required for MP host)
Memory1.5GB
Hard Disk Space12GB Available Hard Disk Space
Video CardFully DX9-compliant graphics card with 512MB (SM 3.0). NVidia® 8600 GTS or ATI® HD 2900 XT
DirectX® Version9.0c
SoundDX9.0c compliant
Internet ConnectionBroadband (768kbit/sec upstream required to host 16 players)

FAQ

What graphics card do I need for F.E.A.R. 2: Project Origin?

Minimum: Fully DX9-compliant graphics card with 256MB (SM 2.0b). NVIDIA 6800 or ATI X700. Recommended: Fully DX9-compliant graphics card with 512MB (SM 3.0). NVidia® 8600 GTS or ATI® HD 2900 XT.

How much RAM does F.E.A.R. 2: Project Origin need?

F.E.A.R. 2: Project Origin needs 1GB (1.5GB Vista) at minimum, 1.5GB recommended.

How big is F.E.A.R. 2: Project Origin?

F.E.A.R. 2: Project Origin requires 12GB Available Hard Disk Space.

Does F.E.A.R. 2: Project Origin run on Mac or Steam Deck/Linux?

There is no native macOS version. There is no native Linux build (Proton compatibility may vary).