You can use
renpy-translator to translate the game automatically with unpack all files option enabled and make sure the translation is able to make effect in windows
Αnd then re-import the game with the related version of renpy-sdk
The version of renpy-sdk should
be consistent with the target game, you can get the version from the script_version.txt file under game directory
And then build the game with the related version of renpy-sdk