Finally we have a RTW(Release to Web) version of new Dynamics AX 7 (build number 7.0.1265.3015) and has been made available for deployments now. you can download virtual machine (VM) with below link
Dynamics Ax 7
(make sure you have require access for this link).
You can also get a lot of reference material + VM on LCS portal (Lifecycle services). LCS will also help you to deploy your desired environment on cloud.
Follow below link to get detailed information, how to access Microsoft Dynamics AX Development instances, configure on premise development VMs, and find key configurations settings for developers and administrators.
Access Microsoft Dynamics AX Development Instances
That's all for now.