Windows 10 Region and Language

Microsoft has never fully understood countries where multiple languages are spoken, but it has worsened with the most recent Windows 10 incarnations.

When you do a fresh install of Windows 10, you get two region / language dependent answers:

• Let's start with region. Is this right? > Belgium
• Is this the right keyboard layout? > Belgian (period)

And you end up with a system with French…

Where are all settings located, or say, hidden...

Settings > Time & Language

• > Settings
• Time & Language
  • v1803 Region & language:
    • Country or region: Belgium
    • Languages
      • Windows display language: English (United States)
      • Preferred languages:
        • English (United States)
        • Nederlands (België)
    • Advanced keyboard settings
      • Override for default input method: Dutch (Belgium) - Belgian (Period)
    • Administrative language settings:
      • Copy settings…
        • Current user:
          • Display language: English (United States)
          • Input language: Dutch (Belgium) - Belgian (Period)
          • Format: Dutch (Belgium)
          • Location: Belgium
        • If the values for the current user are as mentioned above, then check the Welcome screen and system accounts and the New user accounts checkbox.
  • v1809 Region:
    • Region: Belgium
    • Regional format: Dutch (Belgium)
  • v1809 Language:
    • Windows display language: English (United States)
    • Preferred languages:
      • English (Belgium) -- no longer available on 18/05/'19...
      • Nederlands (België)
      • English (United States)
      • Français (Belgique)
    • Administrative language settings
      • Copy settings…
        • Current user:
          • Display language: English (United States)
          • Input language: Dutch (Belgium) - Belgian (Period)
          • Format: Dutch (Belgium)
          • Location: Belgium
        • If the values for the current user are as mentioned above, then check the Welcome screen and system accounts and the New user accounts checkbox.
    • Spelling, typing, & keyboard settings
      • Advanced keyboard settings:
        • Override for default input method: Dutch (Belgium) - Belgian (Period)
        • Language bar options:
          • Advanced Key Settings tab: in the To turn off Caps Lock section, choose the Press the SHIFT key option
          • Advanced Key Settings tab: click on Change Key Sequence…
            • Switch Input Language: Left Alt + Shift → Not Assigned
            • Switch Keyboard Layout: Ctrl + Shift → Not Assigned
  • v1903 & v1909 Region:
    • Region: Belgium
    • Regional format: Dutch (Belgium)
  • v1903 & v1909 Language:
    • Windows display language: English (United States)
    • Preferred languages:
      • English (United States)
      • Nederlands (België)
    • Administrative language settings
      • Copy settings…
        • Current user:
          • Display language: English (United States)
          • Input language: Dutch (Belgium) - Belgian (Period)
          • Format: Dutch (Belgium)
          • Location: Belgium
        • If the values for the current user are as mentioned above, then check the Welcome screen and system accounts and the New user accounts checkbox.
    • Spelling, typing, & keyboard settings
      • Advanced keyboard settings:
        • Override for default input method: Dutch (Belgium) - Belgian (Period)
        • Language bar options:
          • Advanced Key Settings tab: in the To turn off Caps Lock section, choose the Press the SHIFT key option
          • Advanced Key Settings tab: click on Change Key Sequence…
            • Switch Input Language: Left Alt + Shift → Not Assigned
            • Switch Keyboard Layout: Ctrl + Shift → Not Assigned
          • WARNING: even with the key sequences disabled, it remains possible to switch between the preferred languages by pressing + spacebar - you could overcome this by adding an AZERTY keyboard to English (United States) - but I don't do this

Default System UI Language

Issue the following command in an elevated terminal window:

dism /online /get-intl