You can watch A Simple Favor on Netflix, where it is available for streaming with a subscription

. Additionally, the movie can be purchased or rented on platforms such as Amazon Video, Apple TV, Fandango at Home, Microsoft Store, and Google Play Movies

. To summarize:

• Streaming: Netflix (subscription required)
• Buy or Rent: Amazon Video, Apple TV, Fandango at Home, Microsoft Store, Google Play Movies

The film is a thriller starring Anna Kendrick and Blake Lively, directed by Paul Feig