Set the default system UI language for all new user profiles: Dism /Image:"C:\Mount" /Set-UILang:es-Es Use code with caution.
Developers can find similar ISO images. 1.3.9 Microsoft Windows 10 Language Pack Offline Install -Extra
Dism /Online /Add-Capability /CapabilityName:Language.Basic~~~en-US~0.0.1.0 /Source:C:\FOD_Folder Use code with caution. 1.4.2, 1.4.7 5. Method 3: PowerShell Installation Set the default system UI language for all