Microsoft has made available to the public free legitimate copies of Windows 7 beta (build 7000). For all you brave windows fans, give it a whirl. Who knows how long this will be available. According to Wired magazine, this is a 30 day trial copy, and an activation key will be necessary to keep it up and running. Get it here
Update: Here’s a tested and confirmed method for receiving an activation key from Microsoft. Link
Related articles: