Microsoft Application Compatibility Toolkit 5.6

The Microsoft Application Compatibility Toolkit (ACT) version 5.6 contains the necessary tools and documentation to evaluate and mitigate application compatibility issues before deploying Windows 7®, Windows Vista®, a Windows Update, or a new version of Windows Internet Explorer® in your environment.

http://www.microsoft.com/download/en/details.aspx?id=7352

http://technet.microsoft.com/pt-br/library/cc722055(WS.10).aspx

http://technet.microsoft.com/pt-br/library/cc766242(WS.10).aspx