Install a Local Experience Pack to use Windows 10 in the language of your choice. These packs receive regular updates through the Microsoft Store to continually improve the experiences.
Local Experience Packs can only be installed on Windows 10, version 1803 and later. See which version of Windows you're running.
How to download
Get Local Experience Packs from the Microsoft Store:
After installing a Local Experience Pack, both Windows features and Microsoft Store apps will use the new language. Update your display language preferences by selecting the Start button > Settings > Time & Language > Language. Use the Windows display language menu to switch between installed languages.