Microsoft Windows (or simply Windows) is a family of graphical operating systems. It consists of several families of operating systems.

Microsoft introduced an operating environment named Windows on November 20, 1985, as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs).

As of July 2015, the most recent version of Windows for personal computers, tablets and smartphones is Windows 10. The most recent versions for server computers and embedded devices are respectively Windows Server 2012 R2 and Windows Embedded 8.

List of Microsoft windows versions

Windows 1.0 (1985)
Windows 2.0 (1987)
Windows 3.x (1990, 1992)
Windows 95 (1995)
Windows 98 (1998)
Windows 2000 (2000)
Windows ME (2000)
Windows XP (2001)
Windows Vista (2006)
Windows 7 (2009)
Windows 8 (2012)
Windows 8.1 (2014)
Windows 10 (2015)


Comparison of Standard and Datacenter editions of Windows Server 2016

Locks and Limits Locks and Limits Windows Server 2016 Standard Windows Server 2016 Datacenter Maximum number of users Based on CALs Based on CALs Maximum SMB connections 16777216 16777216 Maximum RRAS connections unlimited unlimited Maximum IAS connections 2147483647 2147483647 Maximum RDS connections 65535 65535 Maximum number of 64-bit sockets 64 64 Maximum number of cores…

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