List of Windows client OS versions and their Windows Server equivalents

Here’s a list of Windows versions and their Server equivalent:

Windows client version	Windows Server version
Windows XP	Windows Server 2003
Windows Vista	Server 2008
Windows 7	Server 2008 R2
Windows 8	Server 2012
Windows 8.1	Server 2012 R2

--Neno

Where do I find the BitLocker Recovery Key for my Surface RT/Surface 2?

You can find them here: http://windows.microsoft.com/recoverykey