Please do these following:

Steps 1: download the whole windows 11 from this link

Download Link:

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

or full 64 bit ISO

https://freelearning.com.au/Win11_23H2_English_x64v2.zip

Steps 2: open the file, either double click or right click on it and select “Mount” or open with “Windows explorer”

Note: if you do not see these options please open with WinRar programs (Download link: https://www.win-rar.com/)

Step 3: double click on setup.exe and follow the prompt and finalize the windows installation

Steps 4: activate the windows 11

https://howtosetup.net/post/2021/12/03/how-to-activate-your-windows-11