Minimum System Requirements for Alan Wake PC
CPU : Dual Core 2GHz Intel or 2.8GHz AMD

GPU : AMD ATI Radeon 3650, 4450, 5550, 6450 or higher / NVIDIA GeForce 8600GT, 9500GT,                 GT120, GT430, GT520

RAM : 2 GB RAM

Operating System : Windows XP SP2

Storage Space : 8 GB Free Disk Space

Sound Card: DirectX 9.0c compatible

Other : DirectX 10 compatible or later with 512MB RAM / Direct X 9.0c3.

Recommended System Requirements for Alan Wake PC
CPU : Quad Core 2.66GHz Intel or 3.2GHz AMD

GPU : DirectX 10 compatible or later with 1GB RAM / DirectX 10

RAM : 4 GB RAM

Operating System : Windows 7

Storage Space : 8 GB Free Disk Space

Sound Card: DirectX 9.0c compatible

Other : DirectX 10 compatible or later with 512MB RAM / Direct X 9.0c