To manage Display language settings on your Windows 10 device, use the following method.
The display language you select changes the default language used by Windows features like Settings and File Explorer.
Select the Start button, then select Settings
then Time & Language and then Language.
Choose a language from the Windows display language menu.
If a language is listed under Preferred Languages but doesn't appear on the Windows display language list, you'll first need to install its language pack
How to change system language on Windows 10