The Windows Application Compatibility Toolkit 2.6 for Windows XP and Windows .NET Server contains the tools and documentation you need to design, deploy, and support applications on these platforms. Tools include the latest versions of the Windows Application Verifier that assists developers and testers in locating common compatibility issues during the development cycle, and the Compatibility Administrator that provides access to the necessary compatibility fixes to support legacy applications in Windows. Download Windows Application Compatibility Toolkit 2.6