Kurt Shintaku's Blog

The first week of June 2012.  That’s the release week of the Windows 8 Release Preview. 

It was announced in Japan at the Windows 8 DevDays event by Microsoft’s President of the Windows Division, Steven Sinofsky.

Not much more to say than that.

http://blogs.msdn.com/b/dohollan/archive/2012/04/23/windows-8-release-preview-coming-june-2012.aspx