Stalker: Call of Pripyat minimal system requirements
• Operating system: Windows XP SP2
• Processor: Intel Pentium 4 2.2 GHz / AMD Athlon XP 2200+
• Memory: 768 MB RAM
• HDD: 6 GB free space
• Graphics card: Geforce 5900 128 MB / Radeon 9600 XT 128 MB
• Sound: DirectX 9 compatible
• Input: Keyboard and mouse

Stalker: Call of Pripyat recommended system requirements
• Operating system: Windows Vista SP1 or Windows 7
• Processor: Intel Core 2 Duo E8300 / AMD Phenom II X2 550
• Memory: 2 GB RAM
• HDD: 6 GB free space
• Graphics card: Geforce GTX 260 / Radeon HD 4870 512 MB
• Sound: DirectX 9 compatible
• Input: Keyboard and mouse