provides only a handful of text-to-speech (TTS) voices, such as "Microsoft Anna." To add additional TTS voices, use a third-party service such as Cepstral, NaturalReader or ByteCool. How to Block ...

You can add text-to-speech voices to Windows 10 through your PC's Settings app. Once you've added a text-to-speech voice to Windows, you can use it in programs like Microsoft Word, OneNote ...