Hi @Lugain Natto ,
Internet Explorer 11 will continue receiving security updates and technical support for the lifecycle of the version of Windows on which it is installed.
For more information:
What is the Lifecycle policy for Internet Explorer?
https://learn.microsoft.com/en-us/lifecycle/faq/internet-explorer-microsoft-edge
Also have a look at the following announcement:
Microsoft 365 apps say farewell to Internet Explorer 11 and Windows 10 sunsets Microsoft Edge Legacy
https://techcommunity.microsoft.com/t5/microsoft-365-blog/microsoft-365-apps-say-farewell-to-internet-explorer-11-and/ba-p/1591666
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Best regards,
Leon