Once you're sure you're up to date, visit Settings and Windows Update again and look for the links in the top right corner of the interface. It should read, "Windows 10 support ends in October 2025" ...
Microsoft faces millions of devices still on Windows 10 as support cutoff nears, unlike the stronger migration seen when Windows 7 reached its end.
Finally, if your computer isn't supported, you can still install Windows 11 by bypassing the hardware requirements.