https://wccftech.com/microsoft-should-open-source-windows-7/

End of an era, but 1 in 4 computers are still running Windows 7

Windows 7 reached its end of life on January 14, which means Microsoft will only be sending updates to paying customers. Users have been advised to upgrade to Windows 10 to avoid security issues. But, there are some who believe Microsoft should open source the operating system.