I don’t think the A7III is supported in that version, which is why you get the weird colors.
Perhaps you can try a newer version of RT in a virtual machine. Or perhaps update Mac OS and put your 10.8 install in a VM.
I don’t think the A7III is supported in that version, which is why you get the weird colors.
Perhaps you can try a newer version of RT in a virtual machine. Or perhaps update Mac OS and put your 10.8 install in a VM.