Here are the Portal 2 system requirements (minimum)
- CPU: 3.0 GHz Pentium 4, Dual Core 2.0 (or higher) or Athlon 64 X2 (or higher)
- CPU SPEED: 3.0 GHz Pentium 4, Dual Core 2.0 (or higher) or Athlon 64 X2 (or higher)
- RAM: 1 GB XP / 2 GB Vista & 7
- OS: Windows 7 / Vista / XP / 2000
- VIDEO CARD: Video card must be 128 MB or more and should be a DirectX 9-compatible with support for Pixel Shader 2.0b (ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher).
- FREE DISK SPACE: At least 7.6 GB of Space
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