The setting method of “Microsoft IME” has changed in various ways since Windows 10 May 2020 Update (2004)… It’s a little difficult to set… In that case, let’s use “Previous version of Microsoft IME”.
For Windows 11 For Windows 10
Windows 10 - Use an older version of Microsoft IME
in the search box
Enter “ime”
Microsoft IME settings
Compatibility settings
Use an older version of Microsoft IME
Change IME version Use previous version of Microsoft IME?
Using Microsoft IME
See here for other Microsoft IME usage and settings.