If you already have it, use it only as a "preview" or for a nostalgia trip of 2010-era scene releases. Then delete it and find a proper 1080p/4K copy.
In the vast, silent expanse of the digital downloading universe, certain file names achieve a strange form of immortality. They float through forums, torrent trackers, and external hard drives like the Discovery One drifting toward Jupiter. Among these, one specific string of characters has achieved cult status among archivers and casual viewers alike: . 2001 A Space Odyssey -1968- 720p BrRip X264 - 850MB
Instead, seek:
This is a "watchable but ugly" copy. Fine for a laptop screen or a small TV, but on anything over 32" or a projector, the compression artifacts will be distracting, especially in the famous space vistas. If you already have it, use it only