Microsoft released Windows ADK for Windows 10 which you can use for MDT 2013 Update 1 Preview, SCCM 2012 R2 SP1 and SCCM Technical Preview 2, if you want to install Windows 10. Also Windows ADK for Windows 10 contains a new utility Windows Imaging and Configuration Designer (Windows ICD) for Windows 10 images customization.
You can download Windows ADK for Windows 10 here (scroll down to Customize, assess, and deploy Windows on your hardware section).