Where can I find the Microsoft Windows version and build number?

Here can I find the Microsoft Windows version and build number?

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To look up the Windows version and build number, follow the steps below:

1) On your keyboard, press the Windows key and the letter "R" at the same time.  This will bring up the Run command window. 

2) In the Open field, type "winver" and then press the OK button

3) This will bring up the About Windows screen as shown in the image below.  In the example below, the OS is Windows 10, the version is 1511 and the build is (OS Build 10586.36).  If asked by an NVIDIA representative for the Windows version and build number, please provide this information in the following format:  

Windows 10 version 1511 (OS Build 10586.36)