There is a niche community creating "Open Matte" or "Hybrid" versions, upscaling the 1080p IMAX Blu-ray to 4K using AI (Topaz Video AI).
When people search for an "IMAX download," they are usually looking for the Variable Aspect Ratio (VAR) The Switching Effect : In theaters, Interstellar Interstellar Imax 4k Download
The search for an "Interstellar IMAX 4K download" represents a intersection of cinematic ambition, technical evolution, and the modern digital landscape. Christopher Nolan’s 2014 masterpiece, Interstellar There is a niche community creating "Open Matte"