Experience the 2007 Microsoft Office system - Products - Microsoft Office Online

Experience the 2007 Microsoft Office system - Products - Microsoft Office Online

You can download a 60 day trial version that supposedly won't clobber your existing Office setup, or you can try it out in your browser!

I tried the browser version. After saying yes to a million download warnings, it was up and slowly running.

I think it might be better to download the one that actually runs on your PC.