Add microsoft core voice to any application can use

add-voice.ps1

$sourcePath = 'HKLM:\software\Microsoft\Speech_OneCore\Voices\Tokens' #Where the OneCore voices live
$destinationPath = 'HKLM:\SOFTWARE\Microsoft\Speech\Voices\Tokens' #For 64-bit apps
$destinationPath2 = 'HKLM:\SOFTWARE\WOW6432Node\Microsoft\SPEECH\Voices\Tokens' #For 32-bit apps
cd $destinationPath
<#cleanup
$listOldVoices = Get-ChildItem $destinationPath
foreach($voice in $listOldVoices) {
    if ($voice.PSChildName.StartsWith("TTS_") -or $voice.PSChildName.StartsWith("IVONA 2")) {
        $path = $voice.PSPath
        Remove-Item -Path $path -Recurse
    }
}
#>
$listVoices = Get-ChildItem $sourcePath
foreach($voice in $listVoices) {
    $source = $voice.PSPath #Get the path of this voices key
    copy -Path $source -Destination $destinationPath -Recurse
    copy -Path $source -Destination $destinationPath2 -Recurse
}