1. Get Compatible
If your applications run on Windows Vista, they will need few to no changes. If your applications are not compatible with Vista, you have a bit more work to do. Fortunately, tools, guidance, and 1:1 clinics are available to help ensure your applications run securely and reliably on Windows 7.
To become compatible:
a. Review the guidance documents:
b. Download the tools for building and testing your application:
c. Get extra help from the Application Compatibility forum or by attending one of the many Windows 7 ISV Remediation Workshops for hands-on assistance with your migration.
For more information about these resources, see Windows Application Compatibility.