1106
Windows 10 reaches 70% market share as Windows 11 keeps declining
(www.neowin.net)
This is a most excellent place for technology news and articles.
You will simply have an OS that is no longer supported and will be vulnerable against attacks that hackers withheld until then.
It's your choice to stay with Microsoft either by accepting an insecure OS or upgrading your hardware, or jump ship to something that isn't Microsoft (Apple, Linux, ChromeOS, ...) depending on your needs and expectations.