Oh, the latest version? I don't have a mac but I will do a test tmrw morning with my colleague to make sure it is working.
Is it opening?
I'm here to help, but I need a bit more info to get things sorted.
Check out this video (https://soulcoom.itch.io/soulcoom-dev/devlog/568460/faq-how-to-signup) and give me a shout with the step number you're stuck on. It's Windows but the login process is the same.