Yes, Internet Explorer patches and new major versions are already available via Windows Update.
But to move from one version to the next, it’s never been a fully automatic process.
Internet Explorer 11 (IE11) is the last version of the Internet Explorer web browser by Microsoft.
As a result of the speed improvements, the reviewer said "if you switched to Chrome for speed alone, you're now using the wrong browser." IE11 was also observed to use less memory with multiple tabs open than contemporary versions of Chrome and Firefox. Microsoft has decided that the time has come to make sure that all users of Internet Explorer are using the most current version possible.