You can watch the movie The Dark Tower (2017) on the following platforms:

• Streaming on Netflix (including Netflix Standard with Ads)

• Renting or purchasing on Apple TV, Google Play Movies, Fandango At Home, Amazon Video, Microsoft Store, and Prime Video

It is available for streaming on Netflix, and you can also buy or rent it from various digital stores like Apple TV and Amazon Video. Additionally, it can be streamed on Roku devices via Netflix, Prime Video, Apple TV, or Fandango At Home