This David Papkin post is how to get Wordpad back in Windows 11
How to get WordPad back in Windows 11
It’s not that difficult to bring WordPad back to Windows 11. All you need is the appropriate files from an older version of Windows before 24H2, one that still supports WordPad. (The folder for WordPad should still be present in 24H2 but without wordpad.exe.)
https://www.pcworld.com/article/2376881/how-to-get-wordpad-back-windows-11-24h2.html
End of David Papkin post on how to get Wordpad back in Windows 11