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How do I download on a Mac? Also, can anyone say what the current best way to run this on a Mac?
My understanding is that it's not compatible with any version of MacOS, so you would need a Windows partition with whatever that program is that lets you do that on Macs.
Only just saw this, sorry to be so late.

I have all my games on the Mac. Some, like both Deus Ex sold on GOG, run in CrossOver from Codeweavers and run well with the patches available.