SharePoint Server 2016 Preview is available for download

Microsoft had release the SharePoint Server 2016 preview for public review

you can download the product in ISO format

https://www.microsoft.com/en-us/download/details.aspx?id=48712

please expand the installation instruction section to get the product key



 

Sharepoint 2016 Preview is available in August 2015

According to Bill Baer,  senior product manager for SharePoint at Microsoft demostrated a presention in IT Unity's webinar.

"Tech Talk with Bill Baer, Webisode #9
Sponsored by Colligo

Topic: A preview of SharePoint 2016 Preview, which will be released in August!

And... the Conversation Continues - Codename Fort Knox and achieving similar security on-premisesBill Baer is a Senior Technical Product Manager & Microsoft Certified Master for SharePoint in the SharePoint product group.

"


Looking forward to this release.