Fresh downloaded 5.6.0beta, but no action maps

hello i installed the personal version of unity3d beta
info says :
[ Version 5.6.0b10 (230d5f2aa01e) Personal
Thu, 23 Feb 2017 09:20:31 GMT
Branch: 5.6/release ]
i read about the new input system in the forum : Unity Engine - Unity Discussions

but under Assets → create Assets is no Action Map as was told !

Where were you told it would be in the beta?