Interstellar in 4K with the shifting IMAX aspect ratio typically requires purchasing the 4K Ultra HD Blu-ray, as most digital streaming services lock the film to a constant widescreen format. A 10th Anniversary 4K Collector's Edition released in late 2024 features the full IMAX experience, with enthusiasts often opting to rip physical discs to maintain these visual changes. For details on the 4K release, see the coverage on High-Def Watch
Interstellar is available for download on various digital platforms: Interstellar Imax 4k Download