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$349 for NT or Win9x
$499 for NT and Win9x

60-day money back guarantee:

The DFC library includes a 60-day money back guarantee. If you are not 100% satisfied with the library, simply return it within this time period for a full refund.

Requirements:

Visual C++ 4.2 or higher
Windows 95 DDK and NT DDK

The simple solution for Windows driver development

DFC is a C++ class library for creating high-performance kernel-mode drivers. The classes in the DFC library have been implemented for both Windows NT and Windows 9x allowing developers to target both platforms with the same source code.*

Rapid Driver Development

Click here to see how the DFC classes, DriverGen wizard, and documentation can help jump-start your driver projects and provide a robust foundation for your NT and Windows 9x kernel-mode drivers.

Need to support Windows 9x?

DFC is the only commercial driver library which supports the Windows 9x driver architectures of today and tomorrow. DFC can be used to build a high-performance VxD module for the large installed base of Windows 9x systems today. With DFC's current support for NT drivers, you're just a small step away from building a WDM driver for the next generation of the Windows operating system.

Click here to see how DFC can help smooth your transition to WDM and provide a high-performance VxD-based solution in parallel.