http://www.theverge.com/2012/2/29/2833006/how-to-install-windows-8-consumer-previewHow to download and install it.
I've played around with it briefly. Its a tablet OS, not a PC OS. I'm sure it will change before its final release but it really looks like this is for the touch screen market.
I couldn't even find the correct way to shut down my computer while in 8. I'm not giving up on it yet but if you're going to try it out watch some tutorials first.
