How to find the Windows 10 build number you are running

Since Microsoft changed the release model in Windows 10, users are interested in finding out which build of Windows 10 they have installed on their PCs. As you may already know, Microsoft is not going to release major versions of Windows any more but will ship updates constantly. This is reminiscent of the rolling release model of many Linux distros. If you are part of the Insider program, you need to be even more aware of which build you are using. Our readers regularly ask me how to find the Windows 10 build they are running. Today I will show how.

There are several ways to find the build number of the installed Windows 10 operating system.

Find Windows 10 build number in WinVer

Press Win + R keys together on the keyboard. The Run dialog will appear. Type the following in the Run box:

winver

In the About Windows dialog, you can see the build number:

Find Windows 10 build number from the console

Open a command prompt in Windows 10. It will show the build number in the first row:

You can get more detailed information about your operating system by typing the following command:

systeminfo

Besides other useful info, it contains the current OS build number:

You can filter out the rest of the information and see only the build number using this command:

systeminfo | findstr Build

Find the Windows 10 build number in the Registry

The Registry contains the most comprehensive data about the build number and operating system version. To see it, do the following:

1. Open Registry Editor (see our detailed tutorial about Registry Editor if you are not familiar with the Registry).
2. Go to the following Registry key:

   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion

   Tip: See how to open the desired registry key with one click.

3. In the right pane, you will find everything you need to know about Windows 10's build number:

That's it. You are done.