Windows 10: Version Updates beyond 21H2

OK so I know there are several threads on hear with various problems but none really seam to answer the problem.I built my desktop PC two and a half years ago, it is compatible with Windows 11.It has been updating fine as far as I knew but have just found out this has not been the case, I am currently stuck on version 21H2.I tried to update via the hard download of 22H2 but that said it was irrelevant for my computer??After spending half a day trying to work out why I gave up and decided to download the ISO for the latest version.When I tried to install this it stated that my PC was incompatib

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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.

 

Updating Windows10 Pro x64 Version 20H2 to Version 21H2

I want to update my HP Envy from Windows 10Pro x64 version 20H2 to version 21H2. I've search for how to do it on line but all the suggestions lead to a dead end. In updates, I am totally updated with no updates available, not even optional ones. The computer is set to automatically update. I have all the prior required updates in history that has been suggested, but I never get to a place where I can update the newer version. It's very important to me as a software package that I really need runs on the 21H2 version but not on the 20H2 version.

Can someone help me install the version 21H2? Thanks.

 

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?