Windows 11 update

Question

My device once showed windows 11 update,I accidentally couldnot upgrade it. Is there any other way to get the update again??

Answer 1

Open administrative command prompt and type or copy and paste:

msdt.exe -id WindowsUpdateDiagnostic

Show and hide updates troubleshooter:
https://download.microsoft.com/download/F/2/2/F22D5FDB-59CD-4275-8C95-1BE17BF70B21/wushowhide.diagcab

For each of the above Microsoft Windows troubleshooters click: View detailed information > post images or share links into this thread

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Answer 2

If you get This PC meets Windows 11 requirements with PC Health Check app, then you can try manual upgrade: 

https://answers.microsoft.com/en-us/windows/forum/all/upgrade-from-windows-10-to-windows-11-using-iso/cc730f52-cd85-45d6-8b52-c10d3ff2d67e

Or you can also use Windows 11 Installation Assistant which you can download from here:

https://www.microsoft.com/en-us/software-download/windows11