A few days ago Microsoft released a new version of Dynamics NAV 2017.
You can download Microsoft Dynamics NAV 2017 from this page.
Here is some resources for Microsoft Dynamics NAV 2017:
Before downloading you need a latest version of File Transfer Manager
If you have problem with download Dynamics NAV 2017 use internet explorer with pop up enabled and emulation mode (document mode 10), you will get this option pressing F12.