New-WinUserLanguageList nl-NL
Set-WinUserLanguageList nl-NL -Force
Set-WinSystemLocale nl-NL
Set-Culture nl-NL
Set-TimeZone -Id "W. Europe Standard Time"
Set-WinHomeLocation -GeoId 0xb0

[System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms") | Out-Null
Add-Type -AssemblyName PresentationFramework
$msgBoxInput = [System.Windows.MessageBox]::Show('Do you want to logoff, so the display language change to Dutch/Nederlands?
Do not forget to save your work before logoff!','WARNING','YesNo','Warning')
switch ($msgBoxInput) {
	'Yes' {
		Logoff 
	}

	'No' {
		Exit
	}
}