Valve has announced that a beta of Portal 2 is available on Steam for Linux as of today.
To access it, you’ll need to opt into the beta through the Portal 2 properties in your Steam Library. After which the entire 6.6GB file will be available for you to patiently watch download.
As it’s a beta and not a stable release you should be prepared to encounter bugs along the way.
You can see a trailer for Portal 2, which was released on Windows back in 2011, below.
i have Linux and I have windows 7 too but Portal 2 is coming to Linux :3 oh damn :D im so happy