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I'm downloading Witcher 3 installer files manually to install on my Mac via Crossover.

Now I'm confused which patch files do I need, and where is download for 4.03 (next gen) update?

This question / problem has been solved by HertogJanimage
Current version is 4.04a. Where all the patches are to get to that version I don't know.
If you downloaded 4.04a, you don't need any of the patches listed as you have the latest version.