Although you won’t find the official name anywhere, every new release of Windows 10 gets assigned a specific version number. In this case, the first major update for 2021 is known as version “21H1,” which reflects the year (21) and part of the year (H1 or half one) to indicate when the feature update will be generally available. If you want to check what version of Windows 10 is installed on your device, you can check this information using the “winver” command and “About” settings page. In this guide, you will learn the steps to confirm if the Windows 10 21H1 (May 2021 Update) is already installed on the computer. You can also watch this video tutorial to learn the different ways to check if the latest version of the operating system is installed on your device.

Check if Windows 10 21H1 is installed with winver Check if Windows 10 21H1 is installed with Settings

Check if Windows 10 21H1 is installed with winver

To check whether the Windows 10 21H1 is installed on your device, use these steps: If the dialog shows “Version 21H1” along with “OS Build 19043.xxx” or a higher build number, then Windows 10 May 2021 Update is installed on the computer. Check Windows 10 21H1 with winver

Check if Windows 10 21H1 is installed with Settings

To confirm the device has the Windows 10 21H1 installed with the Settings app, use these steps: If the “About” page shows the 21H1 number and the build number is equal to or higher than “19043.985,” then you are running the Windows 10 May 2021 Update. Check Windows 10 21H1 with Settings Typically, Windows 10 will never install a new version without notifying you. After an upgrade, the system should confirm the setup has been upgraded to a newer version during the first login. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.