This was tackled pretty thoroughly already many years ago, and more recently even went from DVD resolution to HD via an overhaul. Here’s the latest thread…
https://originaltrilogy.com/topic/NEVER-SAY-McCLORY-AGAIN-HD-REMASTER-Released/id/59789
An older one…
https://originaltrilogy.com/topic/Never-Say-Never-Again-Eon-Edition-unfinished-project/id/14499/page/1
FanEdit.org listing…
https://ifdb.fanedit.org/james-bond-007-never-say-mcclory-again/