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How can I tell if I have Windows 2012 R2 or just "2012"? I can't seem to see any signs of "R2" anywhere yet I ordered a (remote) server with this installed and I want to verify I have the correct edition installed before I go any further with the server build.

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4 Answers 4

up vote 19 down vote accepted

Drop into a command prompt and issue either of the following commands;

systeminfo | findstr OS

Or

winver

You can then use this table to determine the version;

Operating System Version

Which shows:

Operating system            Version number
Windows 8.1                 6.3*
Windows Server 2012 R2      6.3*
Windows 8                   6.2
Windows Server 2012         6.2
Windows 7                   6.1
Windows Server 2008 R2      6.1
Windows Server 2008         6.0
Windows Vista               6.0
Windows Server 2003 R2      5.2
Windows Server 2003         5.2
Windows XP 64-Bit Edition   5.2
Windows XP                  5.1
Windows 2000                5.0

Based on your comment, it would appear you're running Windows Server 2012 as opposed to Windows Server 2012 R2

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But what should it say for R2? Will it actually say "R2" somewhere or just give a later build number? I'm just getting Version 6.2 (Build 9200). –  NickG Nov 12 '13 at 10:05
1  
Added some more detail for you, I'd appreciate the tick and an upvote if this has worked for you :) –  sgtbeano Nov 12 '13 at 10:49
    
That's exactly what I needed to know. Thanks! –  NickG Nov 12 '13 at 11:08
    
No problem, glad I could help –  sgtbeano Nov 12 '13 at 11:10

If you have the GUI installed an instant visual clue will be the absence (Server 2012) or presence (Server 2012 R2) of an actual Start button on the taskbar.

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In GUI it's easy to check the version: Control Panel > System and Security > System

enter image description here

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The critical thing was, I wasn't sure if "R2" would say anything different on this screen and "R1" obviously doesn't say R1, so thanks for the screenshot. –  NickG Dec 20 '13 at 16:41

You could also search for the Software Identification Tag File (ISO 19772). This is an XML file on your drive. Just search for: regid.1991-06.com.microsoft.*.swidtag

Usually for Windows OS the files are located in "c:\ProgramData\regid.1991-06.com.microsoft". In this file you will find the tag <product_title> e.g.

<product_title>Windows Server 2012 R2 Datacenter</product_title>

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