Here are the Pyrene System Requirements (Minimum)
CPU: Intel Pentium III 1200Mhz / AMD Athlon MP
RAM: 512 MB
VIDEO CARD: AMD Radeon 8500 Series 64MB or NVIDIA GeForce 3
PIXEL SHADER: 1.1
VERTEX SHADER: 1.1
OS: Windows 7
FREE DISK SPACE: 500 MB
SOUND CARD: 100% DirectX9.0c compatible sound card and drivers
Pyrene Recommended Requirements
CPU: Intel Pentium 4 1.4GHz / AMD Sempron 2200+
RAM: 1 GB
VIDEO CARD: AMD Radeon 8500 Series 64MB or NVIDIA GeForce 3
PIXEL SHADER: 1.1
VERTEX SHADER: 1.1
OS: Windows 8
FREE DISK SPACE: 500 MB
SOUND CARD: 100% DirectX9.0c compatible sound card and drivers