Beta testing versions of Microsoft Windows operating systems are made available through MSDN Professional subscriptions.
Note: Microsoft product support is not available for pre-release or Beta software included in MSDN Subscriptions.
The Beta WDK is included with each Beta release of Windows operating systems.
The HCTs have been replaced by the WDK above.
Driver developers and testers can join the Windows Driver Kit (WDK) Program on the Microsoft Connect Web site to get the latest information about upcoming versions of the WDK and Windows Driver Foundation (WDF), obtain beta releases, and provide feedback. See How to Participate in the WDK Program on Microsoft Connect.
MSDN subscribers can also download other Microsoft Beta releases at MSDN Subscriber Downloads.
Tip: Subscribers can participate in Beta newsgroups on http://beta.microsoft.com.
See also:
"Coding on the Edge" in the MSDN Library