Upon clicking the button for the Windows Trial download, I am sent to the Unity info page. Is there a direct link to the trial that works?
Thanks!
http://unity3d.com/unity/download
Is this failing for you? I seem to be able to download fine
Yes, still failing. Delivers me back to Real-time tools for 3D, AR, and VR development | Products
Weird.
I am using Vista 64bit, Windows Internet Explorer 7. I will try another browser and report back.
Firefox resets the page right back to http://unity3d.com/unity/download
Chrome does the same thing as Firefox: resets the page to http://unity3d.com/unity/download
The direct download link for Windows is:
http://panther.unity3d.com/download_unity/UnitySetup-2.5.1.exe
(hopefully I don’t get in trouble for this) 
Thanks, I was able to get it with the link you provided.