Microsoft revealed this week that it has finalized Windows 10 version 21H1 and will roll out to customers shortly. But you don’t have to wait: you can install it right away.
And while upgrading to some earlier versions of Windows 10 can be painful or unreliable, I don’t believe this is the case with version 21H1: as with versions 1909, 2004, and earlier 20H2, Windows 10 version 21H2 isn’t. A “real” feature update, but it’s built on the same code base as 20H2 and it’s just a minor fix with some new features. Additionally, if you’re already using 2004, it will ship as a cumulative update, so the whole process will take up to 30 minutes.
Undaunted? This is what you have to do.
Open the (WINKEY + I) settings and go to Update & Security> Windows Insider Program.
Click the start button When prompted, choose which Microsoft account to use.
Select “Publish Sample Box” then click the Confirm button. Then click Verify again and restart your PC when prompted.
When the PC reboots, go to Update & Security> Windows Update and click the Check for updates button. You will see that “Feature Update to Windows 10 Version 21H1” is offered as an optional install. Install any pending updates first, then click “Download and Install”.
A feature update will be downloaded and installed if you’re already using Windows 10 version 2004.This process will take just a few minutes, as this isn’t a real feature update again.Click Restart now when prompted.
When the PC reboots, you will see that you are running Windows 10 version 21H1, this can be found in About Windows (winver) or in Settings> System> About.
Now you need to deregister your PC from the Windows Insider Program: Open Settings and go to Update & Security> Windows Insider Program. Enable the “Stop previewing build jobs” option. Regular scheduled service updates from now on.
This is done.