Holy crap I'm running 2.1.5 and I thought it was the newest version. Yes, unfortunately I am running windows 7 ultimate 64 on all the PC's I have and none will go fullscreen. I want to try linux but I am waiting for better Steam support ( I hope with Steam OS we will get it ). It must be the version I am running, I am an idiot for not noticing something so simple.
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I found version 2.2.2 and it work good. Thanks