Your display language can be changed on an ameliorated system by following the steps below. This implies the use of build:
AME_1903_(2020-02-06).iso and newer.
The language pack images can be acquired directly from Microsoft:
For 1903 and 1909:
At nearly 6 GiB each, these may take a while to finish. Pick the suitable image for your system and then go ahead and grab the bevvy of your choice.
Mount the image downlaoded, and navigate to the
/x64/langpacks/ directory for 64-bit installations, and the
/x86/langpacks/ directory for 32-bit. You'll find a comprehensive list of
.cab files inside.
The language tags follow a format like:
it-it and so on.
A reference for these language tags can be found at the link below:
As an example, the filename for Italian-Italy is
Invoke the Language installer interface by running, or searching within start menu for
Lpksetup, and then point to the language pack(s) extracted earlier.
Once installed, you can switch display language via PowerShell.
Open PowerShell and run:
Set-WinSystemLocale <language tag>
Set-WinUserLanguageList <language tag> -Force
Detailled instructions can be found below:
Log out and back in for changes to take effect. Big thanks to Wyk 72 for outlining this process.