You can watch the movie After Everything on several platforms:

• Streaming on Netflix (including Netflix Basic with Ads)

• Streaming on Amazon Prime Video, including Prime Video with Ads

• Renting or purchasing on Apple TV, Fandango At Home, and Amazon Video

These options allow you to either stream it as part of a subscription or rent/buy it digitally. Netflix and Amazon Prime Video seem to be the main streaming services offering this film currently.