As time goes on, Microsoft keeps adding more and more features to Windows, and it can be a good thing just as much as it can be a bad thing. Some features you can't imagine living without, and others ...
There's a difference between the "Notepad app" and notepad.exe. The Notepad app has the AI and all the new stuff in it. But the old C : \windows\system32\notepad.exe still exists, and is unencumbered ...