CS6 was the last. But even on Intel processors, running it on Catalina or later is crash-prone and requires a fair bit of hacking around. The main problem is th

CS6 was the last. But even on Intel processors, running it on Catalina or later is crash-prone and requires a fair bit of hacking around. The main problem is that there were still chunks of 32-bit code in there and macOS has stopped supporting that.