portal2最低配置要求如下:
作業系統: Windows 7 / Vista / XP
處理器: 奔四 3.0 GHz , Dual Core 2.0 (or higher) or AMD64X2 (or higher)
記憶體: 2 GB RAM
顯示卡: Video card must be 128 MB or more and with support for Pixel Shader 2.0b (ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher).
DirectX 版本: 9.0c
儲存空間: 需要 8 GB 可用空間
音效卡: DirectX 9.0c compatible。