Yes, Internet Explorer 11 is the last major version of Internet Explorer. The Internet Explorer 11 desktop application went out of support for certain operating systems starting June 15, 2022*. Customers are encouraged to move to Microsoft Edge with Internet Explorer (IE) mode. IE mode provides built-in legacy browser support for sites requiring Internet Explorer. For supported operating systems, Internet Explorer 11 will continue receiving security updates
and technical support for the lifecycle of the Windows version on which it is installed. See above for a list of supported operating systems for Internet Explorer by version.
*The retired, out-of-support Internet Explorer 11 (IE11) desktop application has been permanently disabled on certain versions of Windows 10. Go here to learn more.