After conducting a thorough search, it appears that there are several links on Google Drive that claim to offer "Interstellar" in 4K. However, we must emphasize that in many countries, including the United States. Furthermore, Google Drive's terms of service prohibit the sharing and downloading of copyrighted content without permission.
If you want to ensure the downloaded file is authentic and not corrupted: Interstellar 4k Download Google Drive
While searching for may lead to third-party links, these are often unreliable, lack quality, or may pose security risks like malware. To experience Christopher Nolan’s masterpiece in true 4K Ultra HD with the best possible visual and audio fidelity, official digital and physical options are the safest and highest-quality routes. Official 4K Digital Options After conducting a thorough search, it appears that
Interstellar [2014] (4K Ultra HD + Blu-ray + Digital + Slipcover) - eBay If you want to ensure the downloaded file
Many film enthusiasts prefer the physical over digital downloads for two main reasons: