You do not need an emulator for the "Download Quantumult for Mac" part if you have an Apple Silicon (M1/M2/M3) or Intel Mac. macOS can run iOS apps natively via the Mac App Store.
: A popular rule-based proxy client (though development has shifted to other variants like Clash Verge). How to use Quantumult on PC (Workarounds) Download Quantumult for PC -Windows 11 10 8 Mac-