Download details: Microsoft Application Compatibility Toolkit
The Microsoft Application Compatibility Toolkit (ACT) version 5.5 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.
Supported Operating Systems: Windows 2000 Service Pack 4; Windows 7; Windows Server 2003 Service Pack 1; Windows Vista; Windows XP Service Pack 3
Miscellaneous Software Requirements: Microsoft® .NET Framework, version 2.0