10/19/09 Update: Beta 2 is now available! Check out my new post on Downloading and Installing Visual Studio 2010 Beta 2.
The instructions in this blog post are meant to accompany 10-4 Episode 20: Downloading and Installing Visual Studio 2010 Beta 1. Please view that video for additional context, including a step-by-step walkthrough for installing Visual Studio 2010 beta 1.
I suggest using a download manager for these files since they are very large. My download manager of choice is Free Download Manager. You can use your own favorite download manager, but you may need to adapt the instructions below as appropriate.
10/14/09 Update: The SQL 2008 Trial is now downloadable via Free Download Manager as well. I have updated step 2 to reflect that, and removed step 7.