Deploying Windows 10 with MDT 2013 Update 1 Preview
Next you need the MDT 2013 Update 1 Preview. To get the preview, you need to first join the MDT Group on Microsoft Connect, if you’re not a member already. Then, prior to downloading the actual preview bits, you’ll need to grab the Windows ADK for Windows 10 Technical Preview, which is a prerequisite for running MDT.
The Build number which the best to use is the Windows 10 Technical Preview with build number 9926 
So i installed some apps automaticly 
Doing some bug check/feature check Keep you posted