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Microsoft to test “new features and more” for aging, stubbornly popular Windows 10
(arstechnica.com)
This is a most excellent place for technology news and articles.
Technically win 11 has the same main version number to win 10. They're essentially different UIs with extra features in 11. There's no technical reason why anything in 11 can't be backported to 10 unless it requires a TPM (maybe)
Even 11 doesn't require a TPM if you know what you're doing.