Notesnook Desktop v3.4.9 adds localization support, making the app easier to use in different languages. More translations will be added over time.
You can switch the desktop app's language from Settings -> Behavior Settings -> General.
Contributors are welcome to review the current language translations and add more in the Notesnook repository.
Full changelog: https://github.com/streetwriters/notesnook/compare/v3.4.8...v3.4.9