Because Yumi is a SAPI5 voice, it integrates directly into the Windows registry. Once installed, it appears in the Windows "Text to Speech" settings panel.
While the legacy NeoSpeech Yumi engine is an excellent choice for entirely offline use cases, modern technology offers neural alternatives that sound significantly more natural. If you find the setup of legacy SAPI 5 engines too complex, consider these modern adaptations: neospeech tts voiceware korean yumi voice sapi5 vw37 free