Apply Language Pack using Dism - nonoloki2/Devops GitHub Wiki
dism.exe /image:%OSDTargetSystemDrive%\ /ScratchDir:%OSDTargetSystemDrive%\Windows\Temp /Add-Package /PackagePath:".\Microsoft-Windows-Client-Language-Pack_x64_pt-br.cab" /quiet
dism.exe /image:%OSDTargetSystemDrive%\ /ScratchDir:%OSDTargetSystemDrive%\Windows\Temp /Add-Package /PackagePath:".\Microsoft-Windows-Client-Language-Pack_x64_pt-br.cab" /quiet