If you want to move from Windows 11 to Windows 10 these are options:
a) Perform a go back during the default 10 day go back period
b) Perform a go back during the modified 60 day go back period
c) Manually backup files to another disk drive or the cloud > clean install Windows 10 > reinstall drivers and applications > restore backed up files
d) Have Windows backup files to a new Windows.old by performing a custom install> save Windows.old to another disk drive or the cloud > clean install Windows 10 > reinstall drivers and applications > restore backed up files from Windows.old
e) Restore a backed up image of Windows 10
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The two options that are available based on the opening post are either c or d. . . . . . .
https://www.tenforums.com/tutorials/1950-clean-install-windows-10-a.html . . . .
https://www.tenforums.com/tutorials/120352-custom-install-windows-10-a.html . . . .
https://www.tenforums.com/tutorials/148005-how-restore-files-windows-old-folder-windows-10-a.html . . . . . .
Find a flash drive that you can format (> or = 8 GB).
Create a bootable Windows 10 Media Creation Tool (MCT) (Windows 10 iso). . . . .
https://www.tenforums.com/tutorials/9230-download-windows-10-iso-file.html
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https://www.microsoft.com/en-us/software-download/windows10
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