ASKER
Windows Server 2012 is the server version of Windows 8 and the successor to Windows Server 2008 R2. Windows Server 2012 is the first version of Windows Server to have no support for Itanium-based computers since Windows NT 4.0. Windows Server 2012, now in its second release (Windows Server 2012 Release 2) includes Foundation, Essentials, Standard and Datacenter, and does not support IA-32 or IA-64 processors.
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ASKER
Anyway, I guess latest version is R2 SP2. I found an article about it:
http://myitforum.com/myitforumwp/2015/05/20/step-by-step-sccm-2012-r2-sp1-upgrade-guide/