UMDF 1.x Design Guide

Warning

UMDF 2 is the latest version of UMDF and supersedes UMDF 1. All new UMDF drivers should be written using UMDF 2. No new features are being added to UMDF 1 and there is limited support for UMDF 1 on newer versions of Windows 10. Universal Windows drivers must use UMDF 2.

The archived UMDF 1 samples can be found in the Windows 11, version 22H2 - May 2022 Driver Samples Update.

For more info, see Getting Started with UMDF.

This section contains information that applies only to User-Mode Driver Framework (UMDF) versions 1.11 and earlier.

Windows 8.1 introduces UMDF version 2. For more information, see Getting Started with UMDF.

For more information about which versions of UMDF are available in specific versions of Windows, see UMDF Version History.

In this section

Additional resources for UMDF version 1