When trying to install the SmartClientSoftwareFactory May 2007 CTP, you may encounter some problems. Workarounds have been presented, for example by Ezequiel Jadib:
However, with the new February 2008 versions of GAX and GAT, SCSF Installation fails on my system (Vista Business) with some strange Error 2869.
Anyway, for those interested in the not-so-easy to find GAX & GAT links, these are:
Guidance Automation Extension February 2008
Guidance Automation Toolkit February 2008 for Visual Studio 2008 (There’s a VS-2005 version, too!)