This is the gold standard. The x265 codec provides the same visual quality as a standard 1080p file but at nearly half the file size (usually around 1.5GB to 2GB).
The phrase "index of" is a relic of an older internet era. It refers to open directories on servers where files are listed raw, without a webpage interface. While this feels like a "secret" or "underground" way to find movies, it comes with modern drawbacks: index of mkv 3 idiots better
Official channels sometimes offer the full movie for free or as a rental in 1080p. Amazon Prime Video: This is the gold standard
