The SharePoint Server 2016 preview is now available to download from the Microsoft website:
http://www.microsoft.com/en-us/download/details.aspx?id=48712
Note: Windows Server 2012 R2 is required
Brief on Install Instructions
- Review SharePoint Server system requirements
- Download and install full-featured software for a 180-day trial
- When prompted, use the following product key: NQTMW-K63MQ-39G6H-B2CH9-FRDWJ