Windows 8 and Windows Server 2012 release preview was released yesterday, and the versions are according to Microsoft “fully-featured” which means that all the features that is going to be in the final release is in the release preview.
you can download both of them right now!
Windows 8:
http://windows.microsoft.com/nb-NO/windows-8/release-preview
Windows Server 2012:
http://technet.microsoft.com/en-us/evalcenter/hh670538.aspx
Also with this release Microsoft has upgraded the specifications for Hyper-V, if you wish go know more about the new release. Read the datasheet for Windows Server 2012 Hyper-v
http://download.microsoft.com/download/4/D/E/4DE111AE-CE2B-4D62-9D54-DC7EAD7A3B2B/WS%202012%20Data%20Sheet_Hyper-V.pdf
VMs:
64 vCPUs
1 TB RAM
Hosts:
320 physical Logical Processors
4 TB RAM
At the same time Microsoft also made other tools available
RSAT for Windows 8
http://www.microsoft.com/en-us/download/details.aspx?id=28972
ADK for Windows 8
http://www.microsoft.com/en-us/download/details.aspx?id=29929
Windows Management Framework 3.0 (Powershell 3.0, WMI & WinRM)
http://www.microsoft.com/en-us/download/details.aspx?id=29939
Microsoft Visual Studio 2012 RC
http://www.microsoft.com/en-us/download/details.aspx?id=29931
a quick glimpse of Server 2012
