Windows 10: Windows 10 update from version 1809 to 21h2

respected community, this is a serious matter so please read my passage belowso, it's been a week i've been trying to install windows 10 update 21h2but unfortunately it just doesn't work. i've tried various methods of updating via windows update assistant and media creation tool both upgrade this pc option and iso . it updates, installs and then after all progress and restart when i check my windows version, it still says i'm on version 1809 when i just installed 21h2. i also got some errors like... "We couldn't install windows 10we've set your pc back to the way it was right before you sta

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Update Windows 10 version 1909 to version 21H2

Can I Update Windows 10 version 1909 to version 21H2 (latest)?

Then Please send the useful steps to do that...

By changing windows version 1909 to 21H2 does it removes all files(music, videos, software,etc.) present in my laptop or it is safe, nothing will be deleted.

Now I am not getting critical updates for windows version 1909.

Please anybody give suggestion regarding this matter.

 

KB4023057 Version 21H2 appears in Windows updater for a moment

Hi

In Windows Update KB4023057 Version 21H2 appears and it wants to downloading but stops immediately at 0% and disappears.
Under View update history the update appears as Successfully installed on 9/9/2021.

I can manually check for updates and the update appears again for 2 seconds.

I run the Windows 10 Update troubleshooter. Didn't found any issues. Wanted to uninstall the update but it isn't listed under Uninstall Updates in View Update History.

Not sure if relevant; As Optional quality update available is cumulative preview for 21H2 (KB5007253). Usually I don't install optional updates.

Any suggestions?

 

Windows 10 Tweaks

Pressing “Windows+Pause Break” (it’s up there next to scroll lock) opens the “System” Window.

Windows 10: In the new version of Windows, Explorer has a section called Quick Access. This includes your frequent folders and recent files. Explorer defaults to opening this page when you open a new window. If you’d rather open the usual This PC, with links to your drives and library folders, follow these steps:

• Open a new Explorer window.
• Click View in the ribbon.
• Click Options.
• Under General, next to “Open File Explorer to:” choose “This PC.”
• Click OK

credit to Lifehacker.