How you tweak it for your personal viewing is up to you. You already can run it through a AI tools to add detail or smooth effects or even turn it into a cartoon if you want to.

Will take some time, will use a lot of energy, will require a decent card or a lot of credits but this can be done today.

Personally I don’t think anything will improve it, as I don’t care for it already. Just had to say it as your claim it’s the best trilogy ever is subjective. Much like the results of processing it with AI.