As you can see it is really easy to change the language in the stopwatch if the Windows is displayed in the wrong language, see here: Change Windows 10 Language. You can change the language of the stopwatch at any time, as a rule the standard Windows system language is always automatically recognized and used.
(Image-1) Change the language in the stopwatch to MS Windows!
Yes, and it is very easy to continue using the countdown timer in the stopwatch on Windows 11 Also under the latest Microsoft Windows 11 can continue use