Portal 2 Windows Requirements
Windows 7 / Vista / XP
3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher)
|Sound Card|| |
DirectX 9.0c compatible
Portal 2 minimum requirements for Windows assume having at least Windows 7 / Vista / XP operating system. Your processor should be 3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher) or a more powerful one. The minimum RAM requirement is 2 GB. As for a graphics card, it should be 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)., and it should support Direct X Version 9.0c. You also have to have 8 GB free disk space to install the game.