The System Requirements for Playing Portal 2
Do you want to know the specifications that are needed to run Portal 2 on your PC? Well, you just have landed in the right place. Not only would we share the minimum required specs, but we’ll also share the recommended specifications for running it.
Provided that you have at least an Intel HD 2000 graphics card you can play the game. Portal 2 system requirements state that you will need at least 2 GB of RAM. To play Portal 2 you will need a minimum CPU equivalent to an Intel Core 2 Duo E8400. In terms of game file size, you will need at least 8 GB of free disk space available.
Portal 2 will run on PC system with Windows 7 / Vista / XP and upwards. Additionally it has Mac and Linux versions.