How to Find Your Windows 10 Build Number, Version, Edition and Bitness

The Build Number, Version, "Bit"ness (32-bit or 64-bit) of your Windows installation can be determined using many ways, and here are some of the methods listed.  Screenshots are from a Windows 10 PC, but most of the information apply to all versions of Windows.

System Settings App

In Windows 10, use the System settings app to find the OS information. Click Start, type About your PC. Click About your PC from the results.

System – Control Panel

Right-click Start to access the Win-X menu, and click System. This opens Control Panel | System page.

Using DirectX Diagnostic Tool

Press WinKey + R, type dxdiag.exe and press {ENTER}

DxDiag

Note: The following methods don’t tell you whether you have a x64 version of Windows installed or not, but only shows the OS installed and the System or Processor type (x86 or x64). System Type x64 means what type of Processor it has, and does not necessarily mean you have Windows x64. It could be Windows x86 OS running in a x64 based machine. Whereas the WMIC command-line at the end of this post (mentioning “OSArchitecture”) tells you the bitness of your Windows.

System Information Utility

The System Information utility (MSInfo32.exe) has the details you need.

About Windows (WinVer)

Run winver.exe

Watermark on the Desktop

If you’ve added the PaintDesktopVersion or the DisplayVersion registry values as in article Display Build Info, Version and WinDir Path in the Desktop in Windows 8 an 10, you’ll see the Windows Edition, Build Information and WinDir path in desktop as watermark. For evaluation versions of Windows, the watermark displays by default.

Using SystemInfo.exe Command-line tool

Open a Command Prompt window and type in:

systeminfo.exe

Tip: SystemInfo outputs more information that you’ll ever need. To get the OS Name and OS Version fields from the output, type this in the Command Prompt window:

systeminfo | findstr /b /c:"OS Name" /c:"OS Version"

The findstr command will parse the listing and get only the two lines (OS name and version) you need.

Using WMIC (WMI’s Command-line tool)

Open a Command Prompt window and type:

wmic os get BuildNumber

You can get as many details as you need using WMIC OS Get command, such as:

wmic os get Caption, Version, BuildNumber, OSArchitecture

Hint: Here is a complete list of fields you can retrieve using WMIC OS Get (which uses the Win32_OperatingSystem class)

In addition to all of the above methods, if you check the Help -> About page any Windows desktop application like Notepad, Wordpad, Internet Explorer or others, Windows version and build information are shown.

About the author

Ramesh Srinivasan founded Winhelponline.com back in 2005. He is passionate about Microsoft technologies and has a vast experience in the ITeS industry — delivering support for Microsoft's consumer products. He has been a Microsoft MVP [2003 to 2012] who contributes to various Windows support forums.

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