You can watch "A Silent Voice" through several legal streaming and purchase options:

• It is available for streaming on Netflix, where you can watch it with a subscription

• You can buy or rent "A Silent Voice: The Movie" on platforms like Amazon Video, Apple TV, Microsoft Store, and Fandango At Home

• It is also available for purchase or rental on Google Play Movies

• Crunchyroll, a major anime streaming service, offers "A Silent Voice" as part of its anime movie collection

These options provide both streaming with subscription and digital purchase or rental formats, so you can choose based on your preference.