How to Find Your Windows Version and Build Number

Find Your Windows Version and Build Number

Want to know which version (down to the build number) is installed on your computer? Learn here how to find your Windows 11 (or Windows 10) version and build number in the “About Windows” dialog, system settings and the command line.

First, Tokyo Has 219 of Them

One classic riddle about Japan is how many islands it contains.

To get an idea of the magnitude of both the question and its answer, consider that the city of Tokyo comprises 219 islands, eleven of them inhabited (and one famously home to a volcano that is home to—another volcano).

While you are busy finding that number, let me put together instructions on how to find another number easily: your Windows build number.

How to Find Your Windows Version and Build Number

Using About Windows

Time needed: 1 minute

To quickly find which version and build of Windows 11 or Windows 10 you are currently using:

  1. Open the Windows Run dialog.

    Windows keyboard shortcut: Press Windows R.

  2. Type winver.

    Use “Winver” to find your Windows version and build number

  3. Click OK.

    Using the keyboard: Press Enter.

  4. Find your Windows version and build in the About Windows dialog.

    About Windows keyboard shortcut: You can also press Windows Pause to bring up the version information on Windows.
    Find the Windows version and OS build number in the “About Windows” dialog

Using Windows Settings

To find out which version of Windows 10 or Windows 11 you are running using settings:

  1. Press Windows I to open Windows settings.
  2. Open the System category.
  3. Now select About.
  4. See the Windows version and build number in the Windows specifications section.
    Edition: possible Windows 10 editions include Home, Pro, Mobile and Enterprise. The various editions contain features relevant to their respective users.
    Version: Windows versions are updates that introduce new features. (The current version of Windows 11 is 24H2.)
    OS Build: the build version includes updates that fix errors and identifies your version of Windows precisely.
    Find Windows version information in system settings
  5. Find the system type (32 or 64 bit, for instance) under Device specifications.
    System type: lists whether your processor is 32- or 64-bit and whether your Windows version is 32- or 64-bit. (64-bit processors will run both the 32-bit and the 64-bit edition of Windows, and 64-bit Windows will be able to run 32-bit applications handsomely.)

How about Outlook? How to Update Outlook for Windows

Using the Command Line

To see the Windows build on the command line:

  1. Open the Windows 11 or Windows 10 command line.
    Here’s how: Press Windows R, type cmd and press Enter.
    PowerShell: You can also bring up Microsoft PowerShell, of course.
  2. Find the Windows build right as cmd.exe opens.
    Output: It says Microsoft Windows [Version 10.0.26100.2605], for example, with 26100.2605 the Windows 11 build.
    PowerShell: Using PowerShell, skip to the next step.
  3. At any time, run systeminfo at the command line for Windows build information.
    Output: See the windows build in the OS Version: line.
    Find the Windows 10 version and build number on the command prompt

How to Find Your Windows Version and Build Number: FAQ

How can I find the current Windows build number?

To find the latest mayor version as well as release notes for each build:

on the Microsoft website.

(How to get your Windows version and build number tested with Windows 10 and Windows 11 Version 22H2–24H2; first published May 2021, last updated January 2025)

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