If you want the highest quality without the risk of broken or unsafe links, you can find the 4K version on these platforms:
: Physical discs provide uncompressed DTS-HD Master Audio or Dolby Atmos , offering a more immersive experience than the compressed audio found in most streaming/downloaded files. Where to Buy Physical 4K Copies Interstellar 4k Download Google Drive
Google Drive as a storage and sharing choice Unlocking the Cosmos: Is "Interstellar 4k Download Google