These are straight from Microsoft. This is a DVD ISO, which you'll need to burn on a DVD.
Download the ISO, burn a DVD and start living the ultra-fantastic lifestyle of a Windows 7 user. The Beta expires August 1, 2009.
The new version has been well received by testers and certainly it looks good in demos. Gadgets can now be anywhere in the desktop rather stuck in a bar at the side but the biggest difference is in the revamped task bar.