Windows 11 Might Break Some Old Apps, in the Name of Security
 

Internet security is more important than ever these days, and in order to keep yourself secure online, using the latest protocols is a must. You'd be surprised by the amount of software that uses older TLS protocols, but Microsoft is looking to cut down on that, as the company would like to remind you that old TLS specifications are about to be deprecated — and some of your older software might break as a result.

https://www.howtogeek.com/windows-11-tls-deprecation/