After adjusting UEFI to enable TPM and PC Health Check advising that BradsPC was capable to running Windows 11, the Microsoft web site said it was not.

Reddit came to the rescue https://www.reddit.com/r/windows/comments/q1pcma/pc_health_check_says_i_can_upgrade_to_windows_11/

Updated using this site https://www.microsoft.com/en-us/software-download/windows11